Angle of degree 10
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