Question

i need this question answer​

Answer 1

Answer:-

Question 1.

$\sf {9}^{2} + {10}^{2} + \red{ {90}^{2} } = \blue{{(91)}^{2} }$

I have calculated the value from WorlframAlpha.

Question 2.

169=1+3+5+7+9+11+13+15+17+19+21+23+25

Question 3.

7937 is not a perfect square because the last digit ends with 7.

Answer 2

Answer:

hey watch the above pic for ur answer of the question.hope it helps .