A triangle whose no two sides are equal is known as a triangle.

A triangle whose two sides are equal is known as a/an _____ triangle.

A triangle whose all the sides are equal is known as a/an _____ triangle.

A triangle whose one angle is a right angle is known as _____ triangle. (right/ scalene/ isosceles)

A triangle whose all the angles are of measure less than $90°$ is known as a/an _____-angled triangle.

A triangle whose one angle is more than $90°$ is known as a/an _____ triangle.

A triangle has three sides.