135k views
4 votes
I need help with a problem help pls

I need help with a problem help pls-example-1

2 Answers

2 votes
2 π x 3 x 7 + π x 3^2 x2= 60 π= 188
User Jackcogdill
by
8.5k points
2 votes
There are 2 circular bases: A = π r²
A = π (3)²
= 9 π

There is one lateral face that is a rectangle: A = L x W
In this instance, the length equals the perimeter of the circle: L = 2 π r
A = 2 π (3) x 7
= 42 π

Surface Area = 2(9 π) + 42 π
= 18 π + 42 π
= 60 π
≈ 188

Answer: D
User CheGuevarasBeret
by
7.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories