Finding Missing Angles and Sides of Triangles

Find the missing angle in the triangle.

60, x, x

• x = 45 degrees

• x = 60 degrees

• x = 90 degrees

• x = 30 degrees

Tags

CCSS.8.G.A.5

Find the missing angle in the triangle.

60, 50, x + 10

• x = 70

• x = 80

• x = 60

• x = 90

Tags

CCSS.8.G.A.5

Find the missing angle in the triangle.

40, 100, 2x

• x = 40

• x = 80

• x = 180

• x = 20

Tags

CCSS.8.G.A.5

Find the missing angle in the triangle.

• 65 degrees

• 180 degrees

• 115 degrees

Tags

CCSS.8.G.A.5

Find the missing angle in the triangle.

• 180 degrees

• 142 degrees

• 90 degrees

• 38 degrees

Tags

CCSS.7.G.B.5

Find the missing angle in the triangle.

• 90 degrees

• 65 degrees

• 115 degrees

• 180 degrees

Tags

CCSS.7.G.B.5

Find the missing angle in the triangle.

132, x, x

• 24 degrees

• 48 degrees

• 180 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

If all three angles are exactly the same measure, how big is each angle?
Hint:    x + x + x  = 180

• 180 degrees

• 90 degrees

• 50 degrees

• 60 degrees

Tags

CCSS.8.G.A.5

Find the measure of angle A.

• 75^o

• 60^o

• 30^o

• 38^o

Tags

CCSS.7.G.B.5

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Tags

CCSS.7.G.B.5