Answer:
326.56 m²
Step-by-step explanation:
A = 2πrh+2πr²
= 2*3.14*4*9 +2*3.14*4²
=326.56 m²
Answer: 326.56m^2
Step-by-step explanation:
The surface area of a cylinder is calculated by 2πrh+2πr2, where π is a constant, given as 3.14; h is the height, given as 9m and r is radius, given as 4m.
Therefore, rh = 4 x 9= 36m
while r^2 =4×4 = 16m
Slot the values into the formula:
2 (3.14). (36) + 2 (3.14) 16
= (6.28 x 36 )+( 6.28 x16)
=226.08 + 100.48
=326.56m^2
I hope this helps.
