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If linear scale factor is 2
Area scale factor is 2^2= 4
Then the area of the image
36 x 4 = 144 cm^2
joseph rimiru answered the question on September 30, 2017 at 21:13
- Find the equation of the straight line through point (2, 3) and perpendicular to the line
Y =2x +7
(Solved)
Find the equation of the straight line through point (2, 3) and perpendicular to the line
Y =2x +7
Date posted: September 30, 2017. Answers (1)
- Find the equation of the line passing through the given points below and write them in the form y = mx + c.
a. (1 ,1) and...(Solved)
Find the equation of the line passing through the given points below and write them in the form y = mx + c.
a. (1 ,1) and (2, 4)
b. (1, -5) and (2 ,3)
c. (0, 5) and (-1, -2)
d. (-1 ,7) and (4, 4)
Date posted: September 30, 2017. Answers (1)
- ABCD is a square with A(2,2) and C(5,3) . Find the equation of the diagonal BD(Solved)
ABCD is a square with A(2,2) and C(5,3). Find the equation of the diagonal BD
Date posted: September 30, 2017. Answers (1)
- Find the equation of the line from the point (-1, 4/3) and perpendicular to the line whose equation is ; y-3x+1=0(Solved)
Find the equation of the line from the point (-1, 4/3) and perpendicular to the line whose equation is; y-3x+1=0
Date posted: September 30, 2017. Answers (1)
- Solve the following simultaneous equations using elimination method.
4x+9y=5
2x+6y=2(Solved)
Solve the following simultaneous equations using elimination method.
4x+9y=5
2x+6y=2
Date posted: September 30, 2017. Answers (1)
- The width of a rectangle is a third of the length. If the perimeter is 96 cm. Find the width (Solved)
The width of a rectangle is a third of the length. If the perimeter is 96 cm. Find the width
Date posted: September 30, 2017. Answers (1)
- Given that x=5/12;find the value of (a).COS X (b).SIN X (c).COS(90-X) (d).SIN(180-X)(Solved)
Given that x=5/12;find the value of (a).COS X (b).SIN X (c).COS(90-X) (d).SIN(180-X)
Date posted: September 30, 2017. Answers (1)
- Find the area of a triangle whose included angle is 30° and the sides being 5 cm and 9 cm.(Solved)
Find the area of a triangle whose included angle is 30⁰ and the sides being 5 cm and 9 cm.
Date posted: September 29, 2017. Answers (1)
- From the mathematical tables find the logarithms of the following values.
a. 479 b. 867000 ...(Solved)
From the mathematical tables find the logarithms of the following values.
a. 479 b. 867000 c. 4937 d. 1.43
Date posted: September 29, 2017. Answers (1)
- For each of the following straight lines, determine, the gradient and the y-intercept.
a. 5y = 9x
b. 4y =12 x + 1
c. 9 – 2x = 4y
d. 1/3 x...(Solved)
For each of the following straight lines, determine, the gradient and the y-intercept.
a. 5y = 9x
b. 4y =12 x + 1
c. 9 – 2x = 4y
d. 1/3 x + 1/4y - 2 = 0
Date posted: September 29, 2017. Answers (1)
- On a map with a scale of 1:500 000, a coffee plantation covers an area of 20 cm^2 . Find the actual area of the...(Solved)
On a map with a scale of 1:500 000, a coffee plantation covers an area of 20 cm^2 . Find the actual area of the plantation I hectares.
Date posted: September 29, 2017. Answers (1)
- The area of a sector of a circle radius 35 cm is 490 cm^2. Calculate the angle subtended at the centre of the circle. (Take...(Solved)
The area of a sector of a circle radius 35 cm is 490 cm^2. Calculate the angle subtended at the centre of the circle. (Take π =22/7 ).
Date posted: September 29, 2017. Answers (1)
- Using the Hero’s formula find the area of a triangle whose sides are 8 cm, 6cm, and 10 cm(Solved)
Using the Hero’s formula find the area of a triangle whose sides are 8 cm, 6cm, and 10 cm
Date posted: September 29, 2017. Answers (1)
- write the following pairs of simple statements in form of a compound statement.
...(Solved)
write the following pairs of simple statements in form of a compound statement.
a. x ≥ 3, x ≤ 5
b. x ≥ 1, x ≤ 8
c. x > -5, x≤ 0
d. x ≥ -4, x ≤ -1
Date posted: September 29, 2017. Answers (1)
- Solve the following simultaneous inequalities
6x – 2 = -8
...(Solved)
Solve the following simultaneous inequalities
6x – 2 ≥ -8
2x + 3 ≤ 9
Date posted: September 29, 2017. Answers (1)
- Given that (2 , 3)are the roots of a quadratic equation, obtain a corresponding equation in the form
...(Solved)
Given that (2 , 3)are the roots of a quadratic equation, obtain a corresponding equation in the form
ax^2 + bx + c = 0 where a, b, and c are integers.
Date posted: September 29, 2017. Answers (1)
- Calculate the surface area of a solid cone of base radius 14 cm and the height 26 cm.(Solved)
Calculate the surface area of a solid cone of base radius 14 cm and the height 26 cm.
Date posted: September 29, 2017. Answers (1)
- Calculate the volume of the sphere of radius
a. 3.6cm b. 45 cm ...(Solved)
Calculate the volume of the sphere of radius
a. 3.6 cm b. 45 cm c. 15 cm
Date posted: September 29, 2017. Answers (1)
- A house to be built measure on a plan as 40cm by 20 cm. If the linear scale factor is 25, find the
...(Solved)
A house to be built measure on a plan as 40 cm by 20 cm. If the linear scale factor is 25, find the
actual area of the house.
Date posted: September 29, 2017. Answers (1)
- Which of the following values are divisible by 10
{10, 12100, 1255, 13460}
(Solved)
Which of the following values are divisible by 10
{10, 12100, 1255, 13460}
Date posted: September 28, 2017. Answers (1)