# Geometry

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.

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1. Since the semi-diagonals form an isosceles triangle with the sides of the rectangle, the diagonals make an angle of 60° with the short side, and 30° with the long side.

length = 24cos30°
height = 24sin30°

p = 2(length+width)

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