A regular polygon has 72 sides.
Find the size of each of its interior angles.

The formula for finding the measure of each interior angle is below.

180(n - 2) / n where n represents the number of sides.

Since the polygon has 72 sides, we plug a 72 in for n.

So we have 180(72 - 2)/72 or 180(70)/72 which is 12600/72 or 175.

So the measure of each interior angle is 175 degrees.

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.