Angle of degree 10

Acute angle

Angle 3 is an acute angle.

An illustration of a plane angle with vertex E and sides EF and ED.

Showing different types of angles: right, acute, and obtuse.

Illustration of a circle with an angle inscribed in a segment greater than a semicircle, an acute angle.

A flashcard featuring an illustration of an Acute angle

A flashcard featuring an illustration of an Acute Triangle