Surface area = pr^2 + prl
First find l =v (262 + 142)
=v872
=29.53 cm
The surface area =(22/7 x 14 x 14) + (22/7 X 14 X29.53 )
=616 + 1299.32
=1915.32 cm^2
joseph rimiru answered the question on September 29, 2017 at 16:13
- 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)
- Which of the following numbers are divisible by 9?
a. 27, 4545, 6114, 7178
b. 1002, 12100,1251,13460
(Solved)
Which of the following numbers are divisible by 9?
a. 27, 4545, 6114, 7178
b. 1002, 12100,1251,13460
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 8?
a. 832, 714, 2000, 994
b. 10864, 12867, 10040
(Solved)
Which of the following numbers are divisible by 8?
a. 832, 714, 2000, 994
b. 10864, 12867, 10040
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 5?
a. 80, 91, 1055, 2565
b. 115, 10060, 7812, 860
(Solved)
Which of the following numbers are divisible by 5?
a. 80, 91, 1055, 2565
b. 115, 10060, 7812, 860
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 4?
a. 124, 10021, 1732, 1236
...(Solved)
Which of the following numbers are divisible by 4?
a. 124, 10021, 1732, 1236
b. 1017, 3284, 1978, 7654
Date posted: September 28, 2017. Answers (1)
- In the set of the numbers below which are divisible by 2
{18, 19, 124, 643, 10010}
(Solved)
In the set of the numbers below which are divisible by 2
{18, 19, 124, 643, 10010}
Date posted: September 28, 2017. Answers (1)
- Solve the following inequalities
a. x – 7 = 5
b. y +5 = 8
c. 3x + 9 = 18
(Solved)
Solve the following inequalities
a. x – 7 ≥ 5
b. y +5 ≤ 8
c. 3x + 9 ≤ 18
Date posted: September 28, 2017. Answers (1)
- From the following equations of straight line determine which pairs are parallel to each other.
a. y = 3x + 7
...(Solved)
From the following equations of straight line determine which pairs are parallel to each other.
a. y = 3x + 7
y=3x + 10
b. 4y =8x – 9
10y= 2x + 3
c. 3y = 5 -4x
5y= 9- 20x
d. 7y = 21x + 10
Y =3x – 6
Date posted: September 28, 2017. Answers (1)
- Use binomial expansion to evaluate (1.02)^6 to 4 s. f(Solved)
Use binomial expansion to evaluate (1.02)^6 to 4 s. f
Date posted: September 28, 2017. Answers (1)
- 5 men have enough food for 36 weeks. How long would the same food last for 15 men?(Solved)
5 men have enough food for 36 weeks. How long would the same food last for 15 men?
Date posted: September 27, 2017. Answers (1)
- The length of a rectangle is 10 cm longer than the breadth. The perimeter is 82 cm. What are the length
...(Solved)
The length of a rectangle is 10 cm longer than the breadth. The perimeter is 82 cm. What are the length
and the breadth of the rectangle ?
Date posted: September 27, 2017. Answers (1)
- Find the slope of the straight line joining P (4, 6) and Q (5, 2).(Solved)
Find the slope of the straight line joining P (4, 6) and Q (5, 2).
Date posted: September 27, 2017. Answers (1)
- Factorize 2a(x - y) + 3b( y - x) .(Solved)
Factorize 2a(x - y) + 3b( y - x) .
Date posted: September 27, 2017. Answers (1)
- s = ut +1/2 at^2 . Find a when s = 6000, u= 10 and t = 20.(Solved)
s = ut +1/2 at^2 . Find a when s = 6000, u= 10 and t = 20.
Date posted: September 27, 2017. Answers (1)
- Evaluate 0.219 x´ 0.257 to 3 significant figures. (Solved)
Evaluate 0.219 x´ 0.257 to 3 significant figure.
Date posted: September 27, 2017. Answers (1)
- If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c. ...(Solved)
If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c.
Date posted: September 26, 2017. Answers (1)
- Find Cos x if Cos 2x = 0.9.(Solved)
Find Cos x if Cos 2x = 0.9.
Date posted: September 26, 2017. Answers (1)
- A car travels 100 km in (¾) hour. How far will it travel in 20 min?(Solved)
A car travels 100 km in (¾) hour. How far will it travel in 20 min?
Date posted: September 26, 2017. Answers (1)