Mahabir Singh Solutions for Chapter: Understanding Quadrilaterals, Exercise 1: MATHEMATICAL REASONING

The ratio of two sides of a parallelogram is $3:5$ and its perimeter is $48 \mathrm{cm}$. Then, the sides of the parallelogram are _____.

In the given figure, line $RT$ is drawn parallel to $SQ$. If $\angle QPS=100°$, $\angle PQS=40°$, $\angle PSR=85°$ and $\angle QRS=70°$ then $\angle QRT=$ ________.

Which of the quadrilaterals is NOT a parallelogram?

Which of the following statements is CORRECT?

Four angles of a quadrilateral are in the ratio $1:2:3:4.$ The difference between the greatest and the smallest angle is _____.

A trapezium in which non-parallel sides are equal is said to be _______.

Which of the following can never be the measure of exterior angle of a regular polygon?

The quadrilateral having only one pair of opposite sides parallel is called a _____.