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Acute Angle – Definition with Examples

What is an Acute Angle?

An acute angle is an angle whose measure is greater than 0 degrees and less than 90 degrees. In other words, an acute angle is an angle that is smaller than a right angle.

Acute Angle


This type of angle is an acute angle

The other side’s large angle is called Reflex Angle.

Look below Angles’ images. These all are acute angles:

acute angles

Definition of Acute Angle

If an angle is 49° angle that is called an Acute angle but if another side is 311° angle is called a reflex angle.

Real-life examples of acute angles are:

1. pizza slices

If you slice a pizza 5,6 or more slices, then each slice of pizza will make an acute angle.

Real-life examples of acute angles

2. Wall clock

The wall clock is another example of an acute angle. It makes acute angles at numerous hours of the day. For example, 10 o’clock.

examples of acute angles

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