Congruent Angles or Not

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

Tags

CCSS.7.G.B.5

Tags

CCSS.8.G.A.5

Which of these angles is NOT congruent to angle 5?

• Angle 6

• Angle 8

• Angle 1

• Angle 4

Tags

CCSS.8.G.A.5

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

Tags

CCSS.7.G.B.5

When you see two angles with the same number of hatch marks, what do we know about those angles?

• They combine to equal 90 degrees (complementary)

• They are equal to each other (congruent)

• They combine to equal 180 degrees (supplementary)

• They are next to each other and share both a line and vertex (adjacent)

Tags

CCSS.7.G.B.5

The measures of two angles are (4x + 39)° and (16x – 12)°. What is the value of x that will make the two angles congruent?

Mathematical Equivalence

OFF

Tags

8.8C

Which Angles are congruent?

Tags

CCSS.8.G.A.5

True or False?

< A is congruent to < B' ?

• True

• False

Tags

CCSS.8.G.A.2

Angles with the same measure are called ________ angles.

• complementary

• congruent

• acute

• obtuse

Tags

CCSS.8.G.A.2

Which blank would the answer be "Definition of Congruent Angles"?

Tags

CCSS.HSG.CO.B.7