Asked by Xinyi panggg

The larger angles of a rhombus are twice the smaller angle of the rhombus. If the shorter diagonal is 20, find the perimeter of the rhombus.
Answered by Steve
If you draw the rhombus, you will see that the angles are 60° and 120°.

Since the diagonals bisect the angles, the shorter diagonal forms two equilateral triangles.

So, each side is 20, and the perimeter is 80.
Answered by Shelby
A rhombus has 240cm
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