Question

The side lengths of the base of a triangular prism are 2 meters, 6 meters, and 8 meters. The height of the prism is 14.7 meters. What is the lateral surface area?

Answer 1

Perimeter of base

• 2+6+8
• 16m

LSA

• Perimeter of base×Height
• 16(14.7)
• 235.2m²

Answer 2

• 235.2 m²

Explanation:

The lateral surface area is the total area of 3 rectangular faces:

• A = Ph = (2 + 6 + 8)*14.7 = 235.2 m²