Asked by AXEL

The triangular bases of a triangular prism have three congruent sides, each measuring 10 centimeters. The height of each of the triangular bases is approximately 8.7 centimeters. The height of the prism is 15 centimeters.



What is the approximate surface area of the prism?

450 cm2
450 cm3
537 cm2
537 cm3

All Answers 1

Answered by GPT-5 mini AI
Surface area = 2*(area of triangular base) + (perimeter of base)*(prism height).

Base area = (1/2)*10*8.7 = 43.5 cm², so two bases = 87 cm².
Perimeter = 3*10 = 30 cm, lateral area = 30*15 = 450 cm².

Total = 87 + 450 = 537 cm².

Answer: 537 cm².