Question

Find the surface area of the triangular prism (above) using its net (below).

Answer 1

LxW= 7x3x2= 42
6x7=42
A=1/2xbh= 1/2x6x2= 6 x 2= 12
42 +42=84+12= 96^2

Answer 2

96 cm^2 (centimetres squared)

Explanation:

(7 x 3) x 2 = 42

6x2 / 2 x 2 = 12

6 x 7 = 42

42 + 12 + 42 = 96 cm^2