Finding Missing Angles of Quadrilaterals

What is the sum of a Quadrilaterals interior angles?

• 180
• 360
• 400
• 240

Find the missing angle.

• 75
• 85
• 100
• 45

Find the missing angle.

• 30
• 60
• 90
• 120

What is the value of angle F?

• 9
• 12
• 90
• 110

Angle 1 is 34, angle 2 is 58, angle 3 is 100.  If this shape is a quadrilateral, what is the measure of the 4th angle.

• 186
• 121
• 168
• 90

Find the measure of angle C.

• b = 51

• b = 129

Find the measure of the angle x.

• 105
• 115
• 65
• 75

What is the value of x?

• 4
• 360
• 12
• 6

Find the measure of angle B.

• b = 51

• b = 129