Question

If x²+y²=144 and x and y are equal, then find the value of x and y. Please explain me. ​

Answer 1

Step-by-step explanation:

given x and y are equal

$so \: {x}^{2} + {x}^{2} = 144 \\ \\ 2 {x}^{2} = 144 \\ \\ {x}^{2} = 72 \\ \\ x = \sqrt{72} \\ \\ = \sqrt[2]{18}$