1.

The area of an isosceles triangle is \[9c{{m}^{2}}\]. If the equal sides are \[6cm\]in length, the angle between them is[MP PET 1986]

A. \[{{60}^{o}}\]
B. \[{{30}^{o}}\]
C. \[{{90}^{o}}\]
D. \[{{45}^{o}}\]
Answer» C. \[{{90}^{o}}\]


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