Question

3. Write and solve an equation to

determine the value of x. (Examples 3–5)
(3x)
45°
H
K

Answer 1

`x = 27`

Explanation:

Given

The attached figure

Required

Solve for x

3x and 45 are supplementary angles

So:

`3x + 45 = 180`

`3x =- 45 + 180`

`3x =135`

Solve for x

`x = 135/5`

`x = 27`