Question

Does anyone want to HELP me please

Answer 1

x = 12

Explanation:

We will be using pythagoras theorem.

Therefore, we will have:
`a^(2)` +
`x^(2)` =
`13^(2)`

Moreover, we have:
`a^(2)` =
`4^(2) + 3^(2)` =>
`a^(2)` = 25

=> 25 +
`x^(2)` = 169

=>
`x^(2)` = 144 => x =
`√(144)` = 12