Draw the following angle with the help of the protractor.

$210°$

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A straight angle is $180°$.

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An obtuse angle measure more than $180°$.

An acute angle is less than $90°$.

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At three o’clock, the hour and minute hands of a clock makes a right angle.

Identify the acute angle, right angle, obtuse angle and straight angle from the following:

$120°$

Identify the acute angle, right angle, obtuse angle and straight angle from the following:

$30°$

Identify the acute angle, right angle, obtuse angle and straight angle from the following:

$90°$