What is the Symmetric Property of Congruence?

If angle A is congruent to angle B, then angle B is congruent to angle A.

What is the Addition Property of Equality?

If two quantities are equal, adding the same amount to both sides maintains the equality. For example, if $$a = b$$ , then $$a + c = b + c$$ .

What is the Definition of Congruent Angles?

Two angles are congruent if they have the same measure.

What is the Definition of Complementary Angles?

Two angles are complementary if the sum of their measures is $$90^\text{o}$$ .

What is the Midpoint Theorem?

The midpoint of a segment divides it into two equal parts. If S is the midpoint of $$ar{RT}$$ , then $$RS = ST$$ .

What is the Definition of Supplementary Angles in a proof?

In a proof, if two angles are supplementary, their measures add up to $$180^\text{o}$$ .

What is the Definition of a Right Angle?

A right angle is an angle that measures exactly $$90^\text{o}$$ .

What is the Definition of a Straight Angle?

A straight angle is an angle that measures exactly $$180^\text{o}$$ .

Segment and Angle Proofs Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Subtraction Property of Equality?

Back

2.

FLASHCARD QUESTION

Front

What does the Transitive Property state?

Back

3.

FLASHCARD QUESTION

Front

Define Supplementary Angles.

Back

4.

FLASHCARD QUESTION

Front

What is the Vertical Angle Theorem?

Back

Vertical angles are opposite angles formed by two intersecting lines, and they are always congruent.

5.

FLASHCARD QUESTION

Front

What is the Angle Addition Postulate?

Back

6.

FLASHCARD QUESTION

Front

What is a Linear Pair of Angles?

Back

A linear pair consists of two adjacent angles whose non-common sides form a straight line. They are supplementary.

7.

FLASHCARD QUESTION

Front

What is the Definition of Angle Bisector?

Back

An angle bisector is a ray that divides an angle into two equal parts.

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