Jharne De and Ranjana Kumar Solutions for Chapter: Understanding Elementary Shapes, Exercise 2: Revision Exercise

An angle _____ than $180°$ but less than $360°$ is called a reflex angle.

A triangle with all angles less than $90°$ is called _____.

A triangle with all sides of different lengths is called _____

All the points inside a triangle form the _____ of the triangle.

The sum of the angles of a triangle is _____.

A triangle can have _____ right angle.

The angle formed between the east and the north directions is _____.

The instrument used to measure an angle is called _____.