Answer:
125 ft²
Step-by-step explanation:
We know that that surface area of the triangular prism that will be covered with insulation is equal to the area of the two triangular faces, plus the two lateral rectangular faces.
So you get:
SA = 2 [
(15)(15)] + 2 [(30)(15)] = 1,125 ft²
Answer:
325
Step-by-step explanation:
Answer:

Step-by-step explanation:
Your r^2 times pi is the area of the base, h is the height, and 1/3 is 1/3 of a cylinder.