Apply Equations to Geometry

Applying equations to geometric concepts

​Write an equation to find the missing angle.

Multiple Choice

What is the measure of the missing angle?

• 115

• 21

• 65

• 75

Multiple Choice

Which equation can be used to find the missing angle?

• 2x + 4x = 180

• 12x = 180

• 10x = 180

• 48x = 180

​Remember that vertical angles are equal

​Angle QWT = SWR

Angle SWQ = RWT

Multiple Choice

Which equation can be used to solve for x?

• 2x + 94 = 180

• 2x + 8 = 86

• 2x + 94 = 90

• 10x = 86