Question

What is the value of x in the triangle?

Answer 1

A

Explanation:

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

sin30° =
`(1)/(2)` , then

sin30° =
`(opposite)/(hypotenuse)` =
`(x)/(8)` =
`(1)/(2)` ( cross- multiply )

2x = 8 ( divide both sides by 2 )

x = 4