Question
Classify the following angles as acute, obtuse, straight, right, zero and complete angle:
$165^\circ$
$165^\circ$
✓
Answer
An acute angle measures between $0^{\circ}$ and $90^{\circ}$. An obtuse angle measures between $90^{\circ}$ and $180^{\circ}$. A straight angle measures $180^{\circ}$. A right angle measures $90^{\circ}$. A zero angle measures $0^{\circ}$ and a complete angle measures $360^{\circ}$. $165^{\circ}$ is an obtuse angle.
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