Question

For problems 4-5, find the surface area of the cylinder in terms of pi.

(cylinder is 18 cm high and 14 cm wide)

A. 350 pi cm2
B. 896 pi cm2
C. 602 cm2
D. 644 pi cm2***?


(cylinder is 20 inches high and 18 inches wide)


A. 396 pi in2
B. 522 pi in2
C. 360 pi in2****?
D. 1008 pi in2


Please help!

Answer 1

assuming the width is the diameter, then the radius is half that.

Since a = 2πr(r+h), that gives
350π and 522π

Answer 2

THANK YOU STEVE!!!!!!

Answer 3

1.D
2.A
3.D
4.A
5.B

Answer 4

your mom is right i got 100!

Answer 5

Thanks your mom, I got 100. I would have got a 60%