Question

Use formulas to find the lateral area and surface area of the prism.

the numbers are 15 in 17 in 20 in
round to the nearest whole number

Answer 1

12 inches

Explanation:

Find the lateral surface area of a triangular prism with bases edges 3 inches, 4 inches and 5 inches and altitude 8 inches.

The perimeter is the sum of the bases.

p=3+4+5=12 inches

Lateral Surface Area =12(8)=96 inches2