Practice Congruence (≅) (4) - Properties of Triangles - IB 10 Mathematics

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6 sample questions

Question 1.
What does it mean for two triangles to be congruent?
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Think about their shapes and sizes.
Question 2.
What is the SSS criterion?
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Look for all sides in both triangles.
3Question 3.
What criterion indicates that two triangles are congruent if all three sides of one triangle are equal to all three sides of another?
- SSS
- SAS
- ASA
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Remember the acronym for sides only.
4Question 4.
True or False: The AAS criterion requires two angles and an included side to prove congruence.
- True
- False
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Check the positioning of the side!
Question 5.
Given triangle ABC with AB = 10, AC = 7, and angle A = 60 degrees. Triangle DEF has DE = 10, DF = 7, and angle D = 60 degrees. Are these triangles congruent? If yes, by which criterion?
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Identify which elements are equal.
Question 6.
Triangle GHI and triangle JKL show sides GH = JK, HI = KL, but angle I is not equal to angle K. Can we conclude they are congruent? Explain.
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Verify what is necessary for congruence.

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