190k views
1 vote
A triangular prism has base edges 2 cm, 6 cm, and 7 cm long. Its lateral area is 330 cm2. What is the height of the prism? cm. The height of the prism is (Simplify your answer.)​

1 Answer

3 votes

9514 1404 393

Answer:

22 cm

Explanation:

The lateral area is the product of the perimeter and the height. The perimeter is the sum of side lengths.

P = a+b+c = (2 +6 +7) cm = 15 cm

LA = Ph

330 cm^2 = (15 cm)h . . . fill in the known values

h = (330 cm^2)/(15 cm) = 22 cm

The height of the prism is 22 cm.

User Erhesto
by
4.3k points