Angles & Triangles Practice

If an isosceles triangle has a base angle measuring 40°, then what measure is the vertex angle?

• 120°
• 100°
• 40°
• 80°

Tags

CCSS.8.G.A.5

Find the value of x

• 41
• 45
• 31
• 98

• A
• B
• C
• D

Find the missing angle.

• 60
• 70
• 50
• 140

Tags

CCSS.7.G.B.5

What is the measure of the missing angle?

• 39

• 129

• 119

Tags

CCSS.7.G.B.5

Solve for x

• 20

• 25

• 120

• 180

Tags

CCSS.7.G.B.5

Solve for x

• 5

• 90

• 25

• 10

Tags

CCSS.7.G.B.5

Two angles, angle 1 and angle 2, are complementary. The m∠1 is four times the measure of ∠2. What is the measure of ∠1?

• 9°

• 18°

• 72°

Tags

CCSS.7.G.B.5

Find the measure of the angle indicated. 

• 139°
• 66°
• 138°
• 116°

Tags

CCSS.8.G.A.5

Solve for x THEN find the degrees for angle A.

• 44^o
• 96^o
• -14^o
• 63^o

Tags

CCSS.8.G.A.5