Question

I need the answer plz

Answer 1

GH = 7
`√(2)`

Explanation:

Using the sine ratio in the right triangle and the exact value

sin45° =
`(1)/(√(2) )`

sin45° =
`(opposite)/(hypotenuse)` =
`(HI)/(GH)` =
`(7)/(GH)` =
`(1)/(√(2) )` ( cross- multiply )

GH = 7
`√(2)`