Finding the Missing Angle in a Quadrilateral

• 38°

• 98°

• 93°

• 110°

• 93°

• 88°

• 69°

• 45°

• 145 because all angles sum to 360 0 in a quadrilateral

• 115 because consecutive angles are sum to 180 0 in a quadrilateral

• 105 because opposite angles are congruent in a quadrilateral

• 135 because consecutive angles are sum to 180 0 in a quadrilateral

Find the missing angle.

• 30

• 60

• 90

• 120

Find the missing angle.

• 78

• 88

• 98

• 74

Find the missing angle.

• 65

• 85

• 75

• 70

Find the missing angle.

• 4^o

• 96^o

• 24^o

• 99

Find the missing angle.

• 65°

• 85°

• 75°

• 70°

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 missing angle measure.