Focus 8th grade : angles

∠1 and ∠3 can best be described as - (opposite angles formed by intersecting lines.)

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

• 100°
• 80°
• 90°
• 180°

Tags

CCSS.7.G.B.5

What is the measure of x?

• 60°, complementary
• 60°, supplementary
• 120°, vertical
• 120°, adjacent

Tags

CCSS.7.G.B.5

Name the vertical angle to
∠h.

• ∠f
• ∠i
• ∠g
• ∠j

Tags

CCSS.7.G.B.5

Name the vertical angle to
∠h.

• ∠f
• ∠i
• ∠g
• ∠j

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

Tags

CCSS.7.G.B.5