# Answer to Question #34246 in Algebra for Brady

Question #34246

r=3, and 6=h which of the following is equal to 2 "pie" R squared+ 2 "pie" rh

Expert's answer

We need just substitute r and h into the expression

2pi*R^2+2pi rh=2pi(R^2+3*6)=2pi(R^2+18).

2pi*R^2+2pi rh=2pi(R^2+3*6)=2pi(R^2+18).

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