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Unit: Congruence

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Possible mastery points

Transformations & congruence

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Practice

Congruence & transformationsGet 3 of 4 questions to level up!

Triangle congruence from transformations

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Practice

Justify triangle congruenceGet 3 of 4 questions to level up!

Congruent triangles

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Practice

Determine congruent trianglesGet 5 of 7 questions to level up!
Prove triangle congruenceGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 320 Mastery points

Theorems concerning triangle properties

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Practice

Prove triangle propertiesGet 3 of 4 questions to level up!

Working with triangles

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Practice

Find angles in congruent trianglesGet 3 of 4 questions to level up!
Find angles in isosceles trianglesGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 240 Mastery points

Theorems concerning quadrilateral properties

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Practice

Prove parallelogram propertiesGet 5 of 7 questions to level up!

Proofs of general theorems that use triangle congruence

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Line and angle proofsGet 3 of 4 questions to level up!

Constructing lines & angles

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Practice

Justify constructionsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 240 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1000 Mastery points!

About this unit

Learn what it means for two figures to be congruent, and how to determine whether two figures are congruent or not. Use this immensely important concept to prove various geometric theorems about triangles and parallelograms.