Topic

Angle Classification

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Quizzes in Angle Classification

A student draws an angle of 142°. Which classification is correct?

  • Right angle
  • Obtuse angle
  • Acute angle
Correct answer(s):
    • Obtuse angle


A student draws an angle of 52°. Which classification is correct?

  • Obtuse angle
  • Acute angle
  • Right angle
Correct answer(s):
    • Acute angle

A student draws an angle of 22°. Which classification is correct?

  • Acute angle
  • Right angle
  • Obtuse angle
Correct answer(s):
    • Acute angle

Which angle measures are acute angles? Select all correct answers.

  • 35°
  • 89°
  • 60°
  • 90°
Correct answer(s):
    • 35°
    • 89°
    • 60°

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


An angle measures 180°. What type of angle is it?

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

Which rule best explains why an angle of 150° is called a obtuse angle?

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

Which rule best explains why an angle of 135° is called a obtuse angle?

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

An angle measures 135°. What type of angle is it?

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

Which rule best explains why an angle of 120° is called a obtuse angle?

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

An angle measures 120°. What type of angle is it?

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

Which rule best explains why an angle of 100° is called a obtuse angle?

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

An angle measures 100°. What type of angle is it?

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

An angle measures 90°. What type of angle is it?

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


Which rule best explains why an angle of 75° is called a acute angle?

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

Which rule best explains why an angle of 60° is called a acute angle?

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