Question

Geometry help please

Answer 1

Do you know the formula?

Answer 2

3.14*r*l

Answer 3

i got 7536 ,but thats not a choice. wrong formula?

Answer 4

SA = πr2 + πrl

Answer 5

I got 3768 for lateral area

Answer 6

3.14*40^2 + 3.14*60*40

Answer 7

5024 + 7536

Answer 8

Lateral surface area = \(\bf \pi \times r \times h \),where r is the radius = 30, and h = 40 is the height.

Answer 9

3768

Answer 10

its not a choice tho

Answer 11

It is. The choice B works. The reason for why we get 3768 instead of 3770 is because we are using the approximation of pi to two decimals places, i.e. 3.14. If you add more decimal places, you'll get 3770.

@vivianrush