Angle Relationships and Triangles

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

Tags

CCSS.7.G.B.5

Supplementary angles always add up to

Tags

CCSS.7.G.B.5

What is the vertical angle to angle 4?

• Angle 2

• Angle 6

• Angle 8

• Angle 7

Tags

CCSS.7.G.B.5

Find the value of x.

• 31

• 61

• 91

• 1

Tags

CCSS.7.G.B.5

What is the measure of ∠ABC?

• 25°

• 75°

• 108°

• 150°

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Tags

CCSS.7.G.B.5

Two angles whose sum equals 180° are called...

• supplementary angles.

• obtuse angles.

• complementary angles

• a straight line.

Tags

CCSS.7.G.B.5

x = ________

• 77° - alternating exterior angles.

• 103° - alternating interior angles.

• 77° - vertical angles.

• 103° - vertical angles.

Tags

CCSS.8.G.A.5

What is the value of x?

• 27

• 72

• 108

• 153

Tags

CCSS.8.G.A.5

Solve for y.

• y = 20

• y = 120

• y = 60

• y = 10

Tags

CCSS.8.G.A.5