question_answer

In  \[\Delta RST,\] \[R=5cm,\] and \[\angle SRT={{45}^{o}}\]and \[\angle RST={{45}^{o}}\]. Which criterion can be used to construct \[\Delta RST\] ?

A)  A.S.A. criterion  

B)  S.A.S. criterion

C)  S.S.S. criterion  

D)  R.H.S. criterion

Correct Answer: A

Solution :

         Clearly, from the figure two angles and the included side are given. So, A.S.A. criterion can be used to construct ARST.