Question

Given l∥m∥n, find the value of x?

Answer 1

x = 69

Explanation:

`x + 111 = 180`

`x = 180 - 111`

`x = 69`

Answer 2

69°

Explanation:

What is an angle?

An angle is a measure of a turn, measured in degrees or °. Angles are made up of two rays, making the sides of the angle.

What types of angles are there?

There are right angles (exactly 90 degrees), acute angles (less than 90 degrees), obtuse angles (more than 90 degrees), and reflex angles (more than 180 degrees).

We can see that if there is a straight line, the angles must add up to 180°. To solve for the value of x, we can use this equation:

• 180 - 111 = 69

Therefore, the measure of angle x = 69°