Question

solve the sum and explain it​

Answer 1

Hope it will help you...

Answer 2

$\huge\bold\pink{ANSWER:}$

c. 80

Step-by-step explanation:

Just add sqaure of them.

$6^{2}+ 5^{2}=61\\ \\11^{2}+ 13^{2}=290\\ \\4^2+8^2=80$

Hope it is clear to you.