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Triangle Congruence Proofs

Authored by Lois Ndungu

Mathematics

9th - 10th Grade

CCSS covered

Used 53+ times

Triangle Congruence Proofs
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the following is a correct statement and reason for the proof shown?

JKJK\overline{JK}\cong\overline{JK} ; Reflexive

ML\angle M\cong\angle L ; Reflexive

MJLK\overline{MJ}\cong\overline{LK} ; Midpoint Theorem

MKLJ\overline{MK}\cong\overline{LJ} ; Hypotenuse Congruence

Tags

CCSS.HSG.SRT.B.5

2.

MULTIPLE CHOICE QUESTION

2 mins • 12 pts

If L is the midpoint of TJ, what must be true?

TL=JT
JL=TJ
TL=LJ
T is also the midpoint of JL

Tags

CCSS.HSG.CO.C.10

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Identify the missing statement or reason

Reflexive Property

Definition of Midpoint

Given

Vertical Angles Theorem

Tags

CCSS.HSG.SRT.B.5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Identify the  missing statement or reason

Given
Vertical Angles Theorem
Definition of Angle Bisector
Alternate Interior Angles Theorem

Tags

CCSS.HSG.SRT.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

State if the two triangles are congruent.  If they are, state how you know.

A
B
C
D

Tags

CCSS.HSG.SRT.B.5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is always the 1st statement in reason column of a proof?

Prove
Given
Reason
Statement

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using hypotenuse leg (HL) in a proof, you must first state ...

CPCTC.
there are right triangles.
that vertical angles are congruent.
the reflexive property.

Tags

CCSS.HSG.SRT.B.5

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