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A small field was surveyed and the measurements recorded in a surveyor’s field book as in the table below.(i) Using a scale of 1cm...
(Solved)
A small field was surveyed and the measurements recorded in a surveyor’s field book as in the table below.

(i) Using a scale of 1cm to 10cm make an accurate drawing of the map of the field.
(ii) Find the area of the field.
(iii) Assuming that the baseline in (a) runs in a northern direction give the position of D relative to A using bearing and distance.
Date posted:
August 9, 2019
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Answers (1)
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Two circles of radius 7cm each with centres x and y. The circles touch each other at point Q.
(Solved)
Two circles of radius 7cm each with centres x and y. The circles touch each other at point Q. Given that 0 and lines AB, XQY and DC are parallel. Calculate the area of

(a) Minor sector
(b) The trapezium (c) The shaded regions
Date posted:
August 9, 2019
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Answers (1)
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Four points B, C, Q and D lie on the same plane. Point B is 42km due southwest point Q. Point C is 50 km...
(Solved)
Four points B, C, Q and D lie on the same plane. Point B is 42km due southwest point Q. Point C is 50 km on a bearing of S60oE from Q. Point D is equidistant from B, Q and C.
(a) Using the scale: 1cm represents 10km, construct a diagram showing the positions of B, C, Q and D.
(b) Determine the
(i) Distance between B and C
(ii) Bearing of D from B
(c) Find the distance and bearing of D from C.
Date posted:
August 9, 2019
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Answers (1)
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Four towns P, Q, R and S are such that Q is 168km from P on a bearing of 630.
(Solved)
Four towns P, Q, R and S are such that Q is 168km from P on a bearing of 630. R is 288km on a bearing of S 300E from Q. S is due west of R on a bearing of 1610 from P using the scale of 1cm to represent 40km,
(a) Show the relative position of P, Q, R and S.
(b) From the diagram, find
(i) The bearing of S from Q
(ii) The bearing of P from R
(iii) The distance of PS and SR
Date posted:
August 9, 2019
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Answers (1)
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(a) The diagram represents a solid frustum with base radius of 35cm and top radius of 21cm.The frustum is 22.5cm high and is made of...
(Solved)
(a) The diagram represents a solid frustum with base radius of 35cm and top radius of 21cm.The frustum is 22.5cm high and is made of a metal whose density is 4g/cm³.
Taking pi = 22/7, calculate

(i) The volume of the metal that makes the frustum.
(ii) The mass of the frustum.
(b) The frustum is melted in down and recast into a solid cube in the process 20% of the metal is lost. Calculate to 2d.p the length of each side of the cube.
Date posted:
August 9, 2019
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Answers (1)
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A hemispherical bowl has internal and external radii 30cm and 32cm respectively
(Solved)
A hemispherical bowl has internal and external radii 30cm and 32cm respectively.
(a) Calculate the volume of the material used in making the bowl
(b) The bowl is made of copper of density 9g/cm3. Calculate the mass of the copper used to make the bowl.
(c) Find the total cost of making the bowl if copper cost shs 450 per kg
Date posted:
August 9, 2019
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Answers (1)
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A straight line L1 has a gradient ¯½ and passes through point P (-1, 3). Another line L2 passes through the points Q (1, -3)...
(Solved)
A straight line L1 has a gradient ˉ½ and passes through point P (-1, 3). Another line L2 passes through the points Q (1, -3) and R (4, 5). Find.
(a) The equation of L1.
(b) The gradient of L2.
(c) The equation of L2.
(d) The equation of a line passing through a point S (0, 5) and is perpendicular to L2.
(e) The equation of a line through R parallel to L1.
Date posted:
August 9, 2019
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Answers (1)
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The figure below is a cone whose base radius is 3.5cm and slant height 7cm. The net of the cone is a sector of a...
(Solved)
The figure below is a cone whose base radius is 3.5cm and slant height 7cm. The net of the cone is a sector of a circle.

(a) Find the angle subtended at the centre of the sector.
(b) Draw the net of the solid.
Date posted:
August 9, 2019
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Answers (1)
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In the year 2001, the price of a sofa set in a shop was Kshs. 12000
(Solved)
In the year 2001, the price of a sofa set in a shop was Kshs. 12000,
(a) Calculate the amount of money received from the sale of 240 sofa sets that year
(b) (i) In the year 2002, the price of each sofa set increased by 25% while the number of sets sold decreased by 10%. Calculate the percentage increase in the amount received from the sales
(ii) If at the end of year 2002 the price of each sofa set changed in the ratio 16:15. Calculate the price of each sofa set in the year 2003
(c) The number of sofa sets sold in the year 2003 was P% less than the number of sofa sets sold in the year 2001. Calculate the value of P given that the amount received from sale in the two years were equal
Date posted:
August 8, 2019
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Answers (1)
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A tangent from an external point A(7, 5) meets a circle centre O whose equation is
(Solved)
A tangent from an external point A(7, 5) meets a circle centre O whose equation is x2 + 4x + y2 – 5 = 0 at point T, find the length of the tangent AT
Date posted:
August 8, 2019
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Answers (1)
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The figure drawn below is a square ABCD of sides 36.75cm.
(Solved)
The figure drawn below is a square ABCD of sides 36.75cm. The shaded area is formed out of
two segments. DCB and DKB. Find the area of the shaded region.

Date posted:
August 8, 2019
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Answers (1)
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Make x the subject of the formula
(Solved)
Make x the subject of the formula 
Date posted:
August 8, 2019
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Answers (1)
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Express the number 1470 and 7056 each as a product of its prime factor.
(Solved)
Express the number 1470 and 7056 each as a product of its prime factor. Hence evaluate
leaving the answer in prime factor form.
Date posted:
August 8, 2019
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Answers (1)
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Find the equation of the perpendicular bisector of the line segment passing through the points A(4,3) and B(2,7) in the form y=mx + c.
(Solved)
Find the equation of the perpendicular bisector of the line segment passing through the points A(4,3) and B(2,7) in the form y=mx + c.
Date posted:
August 7, 2019
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Answers (1)
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The frequency table below shows the marks scored by the 40 pupils in a mathematics test.
(a) State the modal mark.
(b) Calculate the mean mark....
(Solved)
The frequency table below shows the marks scored by the 40 pupils in a mathematics test.

(a) State the modal mark.
(b) Calculate the mean mark.
(c) Calculate the median mark.
Date posted:
August 7, 2019
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Answers (1)
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In the figure below, O is the centre of the circle. Angle AEB = 500, angle EBC = 800 and angle ECD = 300.
(Solved)
In the figure below, O is the centre of the circle. Angle AEB = 500, angle EBC = 800 and angle ECD = 300.

Giving reasons, calculate:
i) Angle CDE
ii) Angle DFE
iii) Obtuse Angle COE
iv) Angle ADE
Date posted:
August 7, 2019
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Answers (1)
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The volumes of two similar solids are 800cm3 and 2700cm3. If the surface area of the larger one is 2160cm2, find the surface area of...
(Solved)
The volumes of two similar solids are 800cm3 and 2700cm3. If the surface area of the larger one is 2160cm2, find the surface area of the smaller figure.
Date posted:
August 7, 2019
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Answers (1)
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The table below shows marks scored by students in a maths test.
(Solved)
The table below shows marks scored by students in a maths test.

a) Prepare a frequency distribution table from the above table.
b) i) State the modal class.
ii) Calculate the mean and the median.
c) Find the mark if the percentage pass was
Date posted:
August 7, 2019
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Answers (1)
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The distance from a fixed point of a particle in motion at any time t seconds is given by
S = t3 – 5/2t2 + 2t...
(Solved)
The distance from a fixed point of a particle in motion at any time t seconds is given by
S = t3 – 5/2t2 + 2t + 5 metres
(a) Acceleration after t seconds
(b) Velocity when acceleration is zero.
Date posted:
August 7, 2019
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Answers (1)
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A Rhombus has its vertices as PQRS. The co-ordinates of the vertex P and Q of the rhombus are P(-1, 3) and Q (2, 4)....
(Solved)
A Rhombus has its vertices as PQRS. The co-ordinates of the vertex P and Q of the rhombus are P(-1, 3) and Q (2, 4). The diagonal QS and PR meet at point M. Given that the equation of the line PR is y = x + 4.
a) Find the equation of the diagonal QS.
b) Find the co-ordinates of the midpoint M of QS.
c) Find the co-ordinates of the points R and S.
d) Plot on the grid provided the rhombus PQRS.
Date posted:
August 7, 2019
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Answers (1)