The base of a solid in the region bounded by the parabola x2 + y = 4 and the line x + y = 2. cross sections of the solid perpendicular to the x-axis are semicircles. what is the volume, in cubic units, of the solid?

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

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