MCQ Academy - English

Free Online MCQ Practice Tests in English

Latest Quizzes

If angle A = 45° and angle B = 45° in a right triangle, what is true about sin A and cos B?

  • cos B is always 0
  • They are equal
  • sin A is always 1
  • They are never related
Correct answer(s):
    • They are equal

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°

If angle A = 40° and angle B = 50° in a right triangle, what is true about sin A and cos B?

  • They are equal
  • cos B is always 0
  • sin A is always 1
  • They are never related
Correct answer(s):
    • They are equal

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°

If angle A = 35° and angle B = 55° in a right triangle, what is true about sin A and cos B?

  • sin A is always 1
  • They are equal
  • cos B is always 0
  • They are never related
Correct answer(s):
    • They are equal

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°

If angle A = 30° and angle B = 60° in a right triangle, what is true about sin A and cos B?

  • sin A is always 1
  • They are equal
  • They are never related
  • cos B is always 0
Correct answer(s):
    • They are equal

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°

If angle A = 25° and angle B = 65° in a right triangle, what is true about sin A and cos B?

  • They are never related
  • sin A is always 1
  • cos B is always 0
  • They are equal
Correct answer(s):
    • They are equal

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°

If angle A = 20° and angle B = 70° in a right triangle, what is true about sin A and cos B?

  • They are equal
  • sin A is always 1
  • They are never related
  • cos B is always 0
Correct answer(s):
    • They are equal

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°

If angle A = 15° and angle B = 75° in a right triangle, what is true about sin A and cos B?

  • cos B is always 0
  • sin A is always 1
  • They are equal
  • They are never related
Correct answer(s):
    • They are equal

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°

If angle A = 10° and angle B = 80° in a right triangle, what is true about sin A and cos B?

  • They are equal
  • sin A is always 1
  • cos B is always 0
  • They are never related
Correct answer(s):
    • They are equal

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°