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Year 5 maths · AQ.4 · Angles

Classify angles by their measure

Write acute, right, obtuse or straight.

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  1. An angle measures 5°. Is it acute, right, obtuse or straight?

    Answer: acute

  2. An angle measures 72°. Is it acute, right, obtuse or straight?

    Answer: acute

  3. An angle measures 20°. Is it acute, right, obtuse or straight?

    Answer: acute

Tip: Write acute, right, obtuse or straight.

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On paper: this skill is in the printable pack Grade 4 Common Core Math: Geometry and Measurement, with an answer key.

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