Proving Angle Pair Relationships in Geometry

What is the basic statement of Theorem 2-3?

• All straight angles are congruent.

• All acute angles are congruent.

• All obtuse angles are congruent.

• All right angles are congruent.

Tags

CCSS.7.G.B.5

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 60 degrees

• 120 degrees

Tags

CCSS.4.G.A.1

Which property is used to prove that two angles with equal measures are congruent?

• Addition Property of Equality

• Reflexive Property

• Transitive Property of Equality

• Symmetric Property

Tags

CCSS.HSG.SRT.B.5

What does it mean if two line segments are perpendicular?

• They form an acute angle.

• They form a right angle.

• They form an obtuse angle.

• They form a straight angle.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

According to Theorem 2-3, what can be concluded if two angles are right angles?

• They are complementary.

• They are adjacent.

• They are supplementary.

• They are congruent.

Tags

CCSS.7.G.B.5

What does Theorem 2-4 state about supplementary angles?

• If two angles are supplementary, they are equal.

• If two angles are supplementary to the same angle, they are congruent.

• If two angles are complementary, they are equal.

• If two angles are complementary to the same angle, they are congruent.

Tags

CCSS.7.G.B.5

What does Theorem 2-5 state about complementary angles?

• If two angles are supplementary to the same angle, they are congruent.

• If two angles are complementary to the same angle, they are congruent.

• If two angles are supplementary, they are equal.

• If two angles are complementary, they are equal.

Tags

CCSS.7.G.B.5

What does Postulate 12 state about linear pairs?

• They are complementary.

• They are congruent.

• They are supplementary.

• They are equal.

Tags

CCSS.7.G.B.5

What is the sum of the measures of two angles that form a linear pair?

• 270 degrees

• 180 degrees

• 360 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

What does Theorem 2-6 state about vertical angles?

• They are congruent.

• They are complementary.

• They are supplementary.

• They are equal.

Tags

CCSS.7.G.B.5