In a rhombus ABCD,, its diagonal intersect at O then \[\angle \mathbf{

1.	In a rhombus ABCD,, its diagonal intersect at O then \[\angle \mathbf{AOB}\] is
A.	\[{{180}^{{}^\circ }}\]
B.	\[{{0}^{{}^\circ }}\]
C.	\[{{90}^{{}^\circ }}\]
D.	\[{{60}^{{}^\circ }}\]
Answer» D. \[{{60}^{{}^\circ }}\]

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In a rhombus ABCD,, its diagonal intersect at O then \[\angle \mathbf{AOB}\] is

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