Question

Find the value of Y! please help

Answer 1

y = 5.6

Explanation:

Use Sine

Sine =
`(opposite)/(hypothenuse)`

Sine 45 =
`(y)/(18)`

Sine of 18 is 0.309

0.309 =
`(y)/(18)`

Multiply 18 on both sides

0.309 x 18 =
`(y)/(18)` x 18

5.562 = y

Round to the nearest tenth:

5.562 = 5.6