Triangle Sum & Exterior Angle Theorems

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Tags

CCSS.8.G.A.5

A triangle has one angle that measure 81° and one that measures 37°. What is the measure of the third angle?

• 62°

• 76°

• 118°

• 99°

Tags

CCSS.8.G.A.5

Two interior angles of a triangle measure 34 degrees and 38 degrees. What is the third interior angle of the triangle?

• 108 degrees

• 72 degrees

• 2 degrees

• 23 degrees

Tags

CCSS.8.G.A.5

Find the missing angles.

• 130 degrees

• 30 degrees

• 45 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

Find x.

• 75 degrees

• 45 degrees

• 63 degrees

• 85 degrees

Tags

CCSS.8.G.A.5

The triangle sum theorem states that the sum of all angles in a triangle is

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Tags

CCSS.7.G.B.5

Find the measure of each angle indicated.

• 22
• 25
• 29
• 55

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle.

Tags

CCSS.8.G.A.5

Angles that are exactly 90 degrees are called _____ ______.

• tight angles
• acute angles
• obtuse angles
• right angles

Tags

CCSS.4.G.A.1