Question

Find y.
30
20
Need help asap

Answer 1

y = 10

Explanation:

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

sin30° =
`(1)/(2)` , then

sin30° =
`(opposite)/(hypotenuse)` =
`(y)/(20)` =
`(1)/(2)` ( cross- multiply )

2y = 20 ( divide both sides by 2 )

y = 10