Question

Find the value of x. Write your answer in simplest form.

Answer 1

C

Explanation:

using the sine ratio and the exact value

sin45° =
`(1)/(√(2) )` , then

sin45° =
`(opposite)/(hypotenuse)` =
`(5)/(x)` =
`(1)/(√(2) )` ( cross- multiply )

x = 5
`√(2)`