Question on: WAEC Mathematics - 2002
The volume of a cylinder of radius 14cm is 210cm3. What is the curved surface area of the cylinder?
A
15cm2
B
30cm2
C
616cm2
D
1262cm2
Ask EduPadi AI for a detailed answer
Correct Option: B
(V = \pi r^2 h<br />
210 = \frac{22}{7} \times 14^2 \times h <br />
h = \frac{210}{22 \times 28})
Curved surface area (= 2r\pi h<br />
= 2 \times \frac{22}{7} \times 14 \times \frac{210}{22 \times 26} = 30cm^2)
Add your answer
Please share this, thanks!
No responses