If one angle of a triangle is $108°$, then it is called an triangle.

If any two sides of a triangle are equal, then it is called an _____ triangle.

Write the type of each of the following triangles according to the measures of their (i) sides (ii) angles.

Write the type of each of the following triangles according to the measures of their (i) sides (ii) angles.

Write the type of each of the following triangles according to the measures of their (i) sides (ii) angles.

Write the type of each of the following triangles according to the measures of their (i) sides (ii) angles.

The lengths of the sides of a triangle are given below. Classify it as scalene, equilateral or isosceles triangle:

$15 \mathrm{cm},10 \mathrm{cm},8 \mathrm{cm}$

The lengths of the sides of a triangle are given below. Classify it as scalene, equilateral or isosceles triangle:

$12 \mathrm{cm}, 8 \mathrm{cm}, 8 \mathrm{cm}$

The lengths of the sides of a triangle are given below. Classify it as scalene, equilateral or isosceles triangle:

$16 \mathrm{cm}, 25 \mathrm{cm}, 18 \mathrm{cm}$