question_answer

The hypotenuse of an isosceles right angled triangular field has a length of \[30\sqrt{2}m,\] the length of other side is

A)  \[30\sqrt{2}\]   

B)  30 m

C)  25 m               

D)  None of these

Correct Answer: B

Solution :

[b]        \[{{\left( 30\sqrt{2} \right)}^{2}}={{a}^{2}}+{{a}^{2}}\] \[1800=2{{a}^{2}}\] \[{{a}^{2}}=900\] a = 30m