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Acute Angle

Acute Angle

One-page printable reference

See It in Action

Two examples of the idea done right—and one common look-alike that is not right.

EXAMPLE

EXAMPLE

NON-EXAMPLE

Definition

An acute angle is an angle that measures less than 90 degrees but more than 0 degrees.


In other words, it's a sharp, narrow angle that is smaller than a right angle.

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