Question

Please help immediately and please show working

Answer 1

x = 9

y =
`9√(2)`

Explanation:

Since there is a 45° angle and a 90° angle, this is a isosceles triangle, therefore x = 9 and you can find y by pithagoras:

9² + 9² = y²

81 + 81 = y²

y =
`√(162)`

`y=√(2 * 81)`

`y=√(2 * 9^2)`

`y=9√(2)`