Question

What is the lateral surface area of this triangular prism?

Answer 1

• LSA=Perimeter of base×Height-2(Perimeter of base

So

• Perimeter=3+4+5=12in

LSA=

• 12×8-12(2)
• 96-24
• 72in²

Answer 2

96 in²

Explanation:

(5×8) + (4×8) + (3×8)

= 96 in²