Помогите с геометрией!!!!!!!!!!!!!!!!!!!!

Question

Помогите с геометрией!!!!!!!!!!!!!!!!!!!!

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Answer 1

V = 1 / 3 S * H

S = a^2 * sin a = 4*4*1/2 = 8 cm^2

V = 1/3 * 8 * 15 = 40 cm^3.