Question

If ∠G is supplementary to ∠H and the measure of ∠G is 65° what is the measure of ∠H?

Answer 1

Given:

• ∠G = 65°

Supplementary angles are a pair of angles that sum up to 180°.

It should be noted:

• If ∠G and ∠H are a pair of supplementary angles, they both sum up to 180°.

Equation formed: ∠G + ∠H = 180

Substitute the values into the equation.

• ∠G + ∠H = 180
• => 65 + ∠H = 180

Subtract 65 both sides.

• => 65 - 65 + ∠H = 180 - 65
• => ∠H = 180 - 65 = 115°