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Math · Age 8 · Geometry

Acute & Obtuse Angles (Ex. 2)

Classify angles as acute, right, or obtuse and apply in triangle contexts.

Module

Geometry

Age

Age 8

Duration

8 min

Questions

5

What's in this exercise

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  1. Question 1

    Multiple choice

    Which angle is obtuse?

  2. Question 2

    Multiple choice

    Which angle is acute?

  3. Question 3

    Multiple choice

    A triangle has one 90° angle. The other two angles must both be ___.

  4. Question 4

    Sequence

    Angles increasing by 20°: 20°, 40°, 60°, 80°, ___°.

  5. Question 5

    True or false

    An obtuse angle is smaller than a right angle.

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