Introduction to Proof

Question 1

4 lines extend from point B. A line extends straight up from B to point A. Another line extends up and to the right to point C. Another line extends slight up and to the right to point D. The other line extends slightly down and to the right to point E.

Revolt · Accepted Answer

∠ABD ≅ ∠CBE

Question 2

Segment AB is congruent to segment AB.

Revolt · Accepted Answer

reflexive

Question 3

Which statement is true about the diagram?

Revolt · Accepted Answer

K is the midpoint of AB.

Question 4

A horizontal line has points D, B, C. A line extends vertically from point B to point A.

Revolt · Accepted Answer

m∠ABD = m∠ABC

Question 5

Which statement is true about the given information?

Revolt · Accepted Answer

BD ≅ CE

Question 6

The last line of a proof represents

Revolt · Accepted Answer

the conclusion.

Question 7

Given that RT ≅ WX, which statement must be true?

Revolt · Accepted Answer

RT + TW = WX + TW

Question 8

segment addition propertyangle addition postulatereflexive propertytransitive property

Revolt · Accepted Answer

angle addition postulate

Question 9

A two-column proof

Revolt · Accepted Answer

contains a table with a logical series of statements and reasons that reach a conclusion.

Question 10

Given that D is the midpoint of AB and K is the midpoint of BC, which statement must be true?

Revolt · Accepted Answer

AK + BK = AC

Introduction to Proof Answers

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