Find the angles of a triangle that are in the ratio $3:4:5$

A triangle with all sides of different lengths is called an isosceles triangle.

Scalene triangle has all sides equal.

The sum of the lengths of the sides of a triangle is called its _____

The acute angles of an isosceles right triangle are _____.

What are the six parts of a triangle?

Complete the following :

A triangle is said to be an equilateral triangle if _____