Step-by-step explanation:
A triangle can be of many types like right angled triangle, isosceles triangle, scalene triangle, obtuse, acute etc.
A right angle can be defined as the triangle in which one of the angle is 90 degrees.
An obtuse angle is that type of triangle in which the the angle is more than 90 degrees and less than 180 degrees.
An isosceles triangle is one in which two sides are equal.
An acute angle is the triangle in which the angle is less than 90 degrees.
The attached triangle is :
1. Right angle triangle
2. Isosceles triangle
