Question

Pleasee help asap....

Answer 1

`√(11)`

Explanation:

`√(7)^2+2^2=x^2`

the square roots will cancel

`7+4=x^(2)`

to get x alone

`√(11) =√(x) ^2`

the square roots will cancel leaving just the square root of 11

Answer 2

`√(7) ^(2) + 2^(2) = {x}^(2) \\7 + 4 = {x}^(2) \\ 11 = {x}^(2) \\ x = √(11) \\ x = 3.316cm`