A) \[{{45}^{o}},\,\,{{135}^{o}},\,\,{{45}^{o}},\,\,{{135}^{o}}\]
B) \[{{100}^{o}},\,\,{{80}^{o}},\,\,{{100}^{o}},\,\,{{80}^{o}}\]
C) \[{{120}^{o}},\,\,{{60}^{o}},\,\,{{120}^{o}},\,\,{{60}^{o}}\]
D) \[{{60}^{o}},\,\,{{60}^{o}},\,\,{{60}^{o}},\,\,{{60}^{o}}\]
Correct Answer: C
Solution :
Adjacent sides of a rhombous are equal and since, one of the diagonals is equal to the side, each of the angles in the triangle with one of the sides as diagonal is \[{{60}^{o}}.\] Hence, the angles must be \[{{60}^{o}},{{120}^{o}},{{60}^{o}},{{120}^{o}}.\]
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