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Find the angles of a rhombus in which a diagonal length is equal to the length of a side.

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sqdancefan
It is the shape of two equilateral triangles with a common side. The larger angle is 120°; the smaller one is 60°.

We can draw the figure as shown in attachment.

Then you can see an equilateral triangle ABD.

So here angle A, B and D all will be 60 degrees.

So one of the angles of rhombus becomes 60°.

Rhombus is a parallelogram.Hence the adjacent angle becomes 120°.

Finally,angles of rhombus are 60 ,120,60,120.

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