1.

The two acute angles of a right angled isosceles triangle are:

A.  \[{{45}^{o}},{{45}^{o}}\]       
B.  \[{{60}^{o}},{{60}^{o}}\]       
C.  \[{{70}^{o}},{{70}^{o}}\]                     
D.  \[{{80}^{o}},{{80}^{o}}\]
Answer» B.  \[{{60}^{o}},{{60}^{o}}\]       


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