Proving Similarity
  • 1. Are the triangles similar? What information helps you prove it?
A) No, Not enough information.
B) Yes, AAA
C) Yes, SSS
D) Yes, SAS
  • 2. Are the triangles similar? What information helps you prove it?
A) Yes, SAS
B) Yes, SSS
C) No, Not enough information.
D) Yes, AAA
  • 3. Are the triangles similar? What information helps you prove it?
A) Yes, SAS
B) Yes, AAA
C) No, Not enough information.
D) Yes, SSS
  • 4. Are the triangles similar? What information helps you prove it?
A) Yes, SSS
B) Yes, SAS
C) No, Sides are not proportional
D) No, Not enough information
  • 5. Are the triangles similar? What information helps you prove it?
A) No, Not enought information
B) No, Sides are not proportional
C) Yes, SAS
D) Yes, SSS
  • 6. Are the triangles similar? What information helps you prove it?
A) Yes, SAS
B) No, Not enough information
C) Yes, SSS
D) No, Sides are not proportional
  • 7. In the picture shown angle A = angle D and side AB ~ side DE. What more needs to be known to prove the triangles are similar using SAS
A) angle B = angle E
B) side AC ~ side DF
C) side AC = side DF
D) side BC ~ side EF
  • 8. Are the triangles similar? What information helps you prove it?
A) No, Sides are not proportional
B) Yes, SAS
C) No, Not enough information
D) Yes, SSS
  • 9. In the picture shown angle A = angle D and side AB ~ side DE. What more needs to be known to prove the triangles are similar using AAA
A) side BC ~ side EF
B) angle B = angle C
C) side AC = side DE
D) angle B = angle E
  • 10. In the picture shown side AC ~ side DF and side AB ~ side DE. What more needs to be known to prove the triangles are similar using SSS?
A) side BC ~ side AB
B) side BC = side EF
C) angle A = angle D
D) side BC ~ side EF
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Answer Key

1.B   2.A   3.D   4.B   5.B   6.C   7.B   8.C   9.D   10.D  

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