Equations in Geometry: Unit Review

What are exterior angles?

• Angles found inside a polygon

• Angles whose sum is 180

• Angles whose sum is 90

• Angles formed by extended one line of a polyon

What is the value of x?

• 28

• 62

• 118

• 90

What equation can be used to find the measure of angle D?

• 90 + 41 = D

• 90 - 41 = D

• 90 + 41 = D = 180

• 90 + 41 + 180 = D

What is the measure of angle D?

• 41

• 49

• 90

• 180

How many triangles can you create in the image to help you find the total measure of the interior angle?

• 5

• 6

• 7

• 8

Find the measure of angles a and b.

• a = 47, b = 180

• a = 180, b = 47

• a = 133, b = 47

• a = 47, b = 133

Find the value of x.

• -8

• -3

• 2

• 180

What is the measure of 1 angle in the regular polygon?

What is the value of x?

• x = 180

• x = 90

• x = 11

• x = 10

What is the value of x?