Question

The net below depicts a triangular prism. What is the total surface area of the prism? And please explain how did you get your answer. A.282 cm B. 210 cm C.312 cm D. 624 cm

Answer 1

Answer is A - 282

You have (3) rectangles, A=L x W
6x14 = 84 x 3 shapes = 252
2 triangles A= 1/2BxH
1/2 x 6 x 5 = 15 x 2 shapes = 30
252 + 30 = 282