A triangle whose two sides are equal is known as .

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

A triangle whose one angle is a right angle is known as _____. (Acute angled triangle/Right angled triangle/Obtuse angled triangle)

A triangle whose all the angles are of measure less than $90°$ is known as _____.

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

A triangle has three sides.

A triangle may have four vertices.

Any three line-segments make up a triangle.

The interior of a triangle includes its vertices.