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Mathematics

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Quizzes in Mathematics for Grade 7

Two angles are supplementary. One angle is 120°. What is the other angle?

  • 30°
  • 120°
  • 300°
  • 60°
Correct answer(s):
  • 60°

Two angles are supplementary. One angle is 105°. What is the other angle?

  • 285°
  • 105°
  • 15°
  • 75°
Correct answer(s):
  • 75°

Two angles are supplementary. One angle is 95°. What is the other angle?

  • 85°
  • 275°
  • 95°
Correct answer(s):
  • 85°

Two angles are supplementary. One angle is 80°. What is the other angle?

  • 260°
  • 10°
  • 100°
  • 80°
Correct answer(s):
  • 100°

Two angles are supplementary. One angle is 75°. What is the other angle?

  • 255°
  • 15°
  • 75°
  • 105°
Correct answer(s):
  • 105°

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

  • 65°
  • 245°
  • 115°
  • 25°
Correct answer(s):
  • 115°

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

  • 230°
  • 40°
  • 50°
  • 130°
Correct answer(s):
  • 130°

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

  • 140°
  • 50°
  • 220°
  • 40°
Correct answer(s):
  • 140°

An angle measures 315°. What type of angle is it?

  • Reflex angle
  • Obtuse angle
  • Straight angle
  • Right angle
Correct answer(s):
  • Reflex angle

Which rule best explains why an angle of 270° is called a reflex angle?

  • It is greater than 180° and less than 360°.
  • It is exactly 180°.
  • It is exactly 90°.
  • It has no vertex.
Correct answer(s):
  • It is greater than 180° and less than 360°.

An angle measures 270°. What type of angle is it?

  • Straight angle
  • Reflex angle
  • Obtuse angle
  • Right angle
Correct answer(s):
  • Reflex angle

Which rule best explains why an angle of 210° is called a reflex angle?

  • It has no vertex.
  • It is exactly 180°.
  • It is exactly 90°.
  • It is greater than 180° and less than 360°.
Correct answer(s):
  • It is greater than 180° and less than 360°.

An angle measures 210°. What type of angle is it?

  • Reflex angle
  • Obtuse angle
  • Right angle
  • Straight angle
Correct answer(s):
  • Reflex angle

Using distance = speed × time, a cyclist travels 32 km at 8 km/h. What is the time t? Use the balance method before choosing.

  • 8
  • 12
  • 4
  • 32
Correct answer(s):
  • 4

A triangle has base 10 cm and height h cm. Its area is 20 cm². What is h? Use the balance method before choosing.

  • 6
  • 20
  • 4
  • 10
Correct answer(s):
  • 4