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Mathematics

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Quizzes in Mathematics for Grade 6

In a right triangle, one acute angle is 24°. What is the other acute angle?

  • 90°
  • 156°
  • 24°
  • 66°
Correct answer(s):
  • 66°

In a right triangle, one acute angle is 36°. What is the other acute angle?

  • 36°
  • 144°
  • 90°
  • 54°
Correct answer(s):
  • 54°

In a right triangle, one acute angle is 72°. What is the other acute angle?

  • 90°
  • 18°
  • 108°
  • 72°
Correct answer(s):
  • 18°

In a right triangle, one acute angle is 42°. What is the other acute angle?

  • 42°
  • 48°
  • 90°
  • 138°
Correct answer(s):
  • 48°

In a right triangle, one acute angle is 30°. What is the other acute angle?

  • 90°
  • 30°
  • 60°
  • 150°
Correct answer(s):
  • 60°

In a right triangle, one acute angle is 66°. What is the other acute angle?

  • 24°
  • 114°
  • 66°
  • 90°
Correct answer(s):
  • 24°

In a right triangle, what do we call the side directly across from the chosen acute angle?

  • hypotenuse
  • opposite side
  • right angle
  • adjacent side
Correct answer(s):
  • opposite side

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