Topic

Similarity and Ratios

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Quizzes in Similarity and Ratios

A right triangle with side 12 is enlarged by a scale factor of 8. What is the new matching side length?

  • 160
  • 12
  • 96
  • 128
Correct answer(s):
    • 96


A right triangle with side 12 is enlarged by a scale factor of 7. What is the new matching side length?

  • 84
  • 112
  • 140
  • 12
Correct answer(s):
    • 84

A right triangle with side 10 is enlarged by a scale factor of 6. What is the new matching side length?

  • 10
  • 60
  • 156
  • 144
Correct answer(s):
    • 60

A right triangle with side 10 is enlarged by a scale factor of 5. What is the new matching side length?

  • 130
  • 120
  • 10
  • 50
Correct answer(s):
    • 50

A right triangle with side 5 is enlarged by a scale factor of 4. What is the new matching side length?

  • 48
  • 52
  • 5
  • 20
Correct answer(s):
    • 20

A right triangle with side 15 is enlarged by a scale factor of 3. What is the new matching side length?

  • 15
  • 75
  • 45
  • 60
Correct answer(s):
    • 45

A right triangle with side 6 is enlarged by a scale factor of 2. What is the new matching side length?

  • 6
  • 20
  • 12
  • 16
Correct answer(s):
    • 12

A small right triangle has opposite side 9 and hypotenuse 14. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 14/9
  • 9/23
  • 9/14
  • 23/14
Correct answer(s):
    • 9/14


A small right triangle has opposite side 8 and hypotenuse 13. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 13/8
  • 8/21
  • 21/13
  • 8/13
Correct answer(s):
    • 8/13

A small right triangle has opposite side 6 and hypotenuse 11. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 11/6
  • 6/17
  • 17/11
  • 6/11
Correct answer(s):
    • 6/11

A small right triangle has opposite side 4 and hypotenuse 7. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 7/4
  • 4/11
  • 11/7
  • 4/7
Correct answer(s):
    • 4/7

A small right triangle has opposite side 7 and hypotenuse 10. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 17/10
  • 7/17
  • 10/7
  • 7/10
Correct answer(s):
    • 7/10

A small right triangle has opposite side 5 and hypotenuse 8. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 5/8
  • 5/13
  • 8/5
  • 13/8
Correct answer(s):
    • 5/8

A small right triangle has opposite side 3 and hypotenuse 5. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 3/8
  • 8/5
  • 5/3
  • 3/5
Correct answer(s):
    • 3/5

A small right triangle has opposite side 2 and hypotenuse 5. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 2/7
  • 5/2
  • 7/5
  • 2/5
Correct answer(s):
    • 2/5

A small right triangle has opposite side 5 and hypotenuse 6. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 11/6
  • 5/6
  • 5/11
  • 6/5
Correct answer(s):
    • 5/6


If two right triangles are similar, will the sine of a matching acute angle be the same in both triangles?

  • Yes
  • None of these 2
  • No
  • None of these 3
Correct answer(s):
    • Yes

A small right triangle has opposite side 4 and hypotenuse 5. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 9/5
  • 4/5
  • 5/4
  • 4/9
Correct answer(s):
    • 4/5

A small right triangle has opposite side 3 and hypotenuse 4. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 4/3
  • 3/4
  • 7/4
  • 3/7
Correct answer(s):
    • 3/4

A small right triangle has opposite side 2 and hypotenuse 3. A larger similar triangle has the same angle. What is the sine ratio for that angle?

  • 5/3
  • 2/3
  • 3/2
  • 2/5
Correct answer(s):
    • 2/3