Question

Please help im so confused!!

This figure represents a model ramp that is being covered with nonslip material on all sides.

How much nonslip material is needed to cover the ramp?


216 in²

240 in²

264 in²

278 in²

Answer 1

The answer is 264 in^2

Answer 2

264 in²

Explanation:

the surface area of the ramp = 2 x ½ x 6 x 8 + 9 x 10 + 8 x 9 + 6 x 9

= 48 + 90 + 72 + 54

= 264 in² (simple calculation)