A triangle whose all the three sides are unequal is called a triangle.

Measure of _____ angle is $180°$

A triangle with one right angle is known as _____ triangle.

A triangle having two equal sides is called _____ triangle.

Identify an equilateral triangle, isosceles triangle and a scalene triangle.

   _____

If  $AB=10 cm, BC=CA=10 cm$ then $∆ABC$ is _____ triangle.

A triangle is called obtuse angled triangle, if one of its angles is an _____ angle.

A triangle with two equal sides _____.

   If one side of an equilateral triangle is $15 \mathrm{cm}$, how long are the other sides?

Identify an equilateral triangle, isosceles triangle and a scalene triangle.

  _____

A triangle with all sides equal is known as _____.

Identify an equilateral triangle, isosceles triangle and a scalene triangle.

  _____

If $MN=5 cm, NO= 6 cm$ and $OM=7 cm$, then $△MNO$ is _____ triangle.

A triangle with all its angles less than $90°$ is known as _____.

If all the three sides of a triangle are not equal to each other, then the triangle is called a _____ triangle.