Question

How do you know square root c is a right angle?

Answer 1

angle c is right angle because,

it is proved by Pythagoras theorem....

now,we check that

`{10 }^(2) = {8}^(2) + {6}^(2) \\ 100 = 6 + 36 \\ 100 = 100 \\ lhs = rhs \\ hence \: \: proved \: angle \: c \: is \: right \: angle`