Practice Summary (6.5) - Triangles

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8 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What are similar figures?
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Think about shapes like small squares and large squares.
Question 2.
Are all congruent figures also similar?
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Remember the definition of congruence.
3Question 3.
What is the AAA criterion for triangle similarity?
- Two angles must be equal
- All three angles must be equal
- Two sides must be equal
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Remember, equal angles imply similarity.
4Question 4.
True or False: All similar figures are congruent.
- True
- False
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Think about what congruence means.
Question 5.
Using the SSS criterion, prove that triangles with sides 5 cm, 12 cm, and 13 cm are similar to triangles with sides 10 cm, 24 cm, and 26 cm.
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Compute and simplify the ratios.
Question 6.
Explain how the SAS criterion can be used to establish similarity in two triangles that share one common side.
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Focus on the shared side and matching angles.

4 more questions in this section. Enroll free to practise them all.