Finding Missing Angles in Triangle

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43

• 58

• 72

• 101

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

Which sets of measurements could be the interior angles of a triangle? Select EACH correct answer.

• 15°, 15°, 150°

• 10°, 90°, 100°

• 30°, 30°, 115°

• 10°, 80°, 90°

• 60°, 60°, 60°

Tags

CCSS.8.G.A.5

A triangle has one angle that measure 45° and one that measures 60°. What is the measure of the third angle?

• 135°

• 75°

• 120°

• 105°

Tags

CCSS.8.G.A.5

Find x.

• 60 degrees

• 90 degrees

• 50 degrees

• 180 degrees

Tags

CCSS.8.G.A.5

Find the measure of the angle indicated. 

• 139°

• 66°

• 138°

• 116°

Tags

CCSS.8.G.A.5

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°

• 90°

• 180°

• 360°

Tags

CCSS.8.G.A.5

In a triangle, how many total degrees are there?

• It varies on the type of triangle

Tags

CCSS.8.G.A.5

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

Find the missing angle. 

• 151

• 147

• 118

• 62

Tags

CCSS.8.G.A.5