Answer:
960
Step-by-step explanation:
This is a triangular prism. It has 5 faces. Two faces are congruent triangles. The other 3 faces are rectangles.
SA = 2 × ½bh + L₁W₁ + L₂W₂ + L₃W₃
SA = 2 × ½ × 10 in. × 24 in. + 10 in. × 12 in. + 26 in. × 12 in. + 24 in. × 12 in.
SA = 960 in.²
