Topic

Complementary Angles

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Quizzes in Complementary Angles for Grade 6

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°

Two acute angles in a right triangle add to 90°. If one acute angle is 45°, what is the other?

  • 90°
  • 135°
  • 45°
  • None of these 3
Correct answer(s):
  • 45°

Two acute angles in a right triangle add to 90°. If one acute angle is 40°, what is the other?

  • 90°
  • 140°
  • 50°
  • 40°
Correct answer(s):
  • 50°

Two acute angles in a right triangle add to 90°. If one acute angle is 35°, what is the other?

  • 145°
  • 90°
  • 55°
  • 35°
Correct answer(s):
  • 55°

Two acute angles in a right triangle add to 90°. If one acute angle is 30°, what is the other?

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

Two acute angles in a right triangle add to 90°. If one acute angle is 25°, what is the other?

  • 65°
  • 90°
  • 155°
  • 25°
Correct answer(s):
  • 65°

Two acute angles in a right triangle add to 90°. If one acute angle is 20°, what is the other?

  • 90°
  • 70°
  • 20°
  • 160°
Correct answer(s):
  • 70°

Two acute angles in a right triangle add to 90°. If one acute angle is 15°, what is the other?

  • 75°
  • 15°
  • 90°
  • 165°
Correct answer(s):
  • 75°

Two acute angles in a right triangle add to 90°. If one acute angle is 10°, what is the other?

  • 90°
  • 170°
  • 10°
  • 80°
Correct answer(s):
  • 80°

Two angles are complementary. One angle is 70°. What is the other angle?

  • 70°
  • 20°
  • 110°
  • 160°
Correct answer(s):
  • 20°

Two angles are complementary. One angle is 65°. What is the other angle?

  • 65°
  • 155°
  • 115°
  • 25°
Correct answer(s):
  • 25°

Two angles are complementary. One angle is 60°. What is the other angle?

  • 150°
  • 30°
  • 60°
  • 120°
Correct answer(s):
  • 30°

Two angles are complementary. One angle is 55°. What is the other angle?

  • 55°
  • 145°
  • 125°
  • 35°
Correct answer(s):
  • 35°

Two angles are complementary. One angle is 50°. What is the other angle?

  • 140°
  • 40°
  • 130°
  • 50°
Correct answer(s):
  • 40°

Two angles are complementary. One angle is 40°. What is the other angle?

  • 130°
  • 40°
  • 140°
  • 50°
Correct answer(s):
  • 50°