S K Gupta and Anubhuti Gangal Solutions for Chapter: Parallelograms, Exercise 1: Exercise 15(A)

The measure of one angle of a parallelogram is $80°.$ What are the measures of the remaining angles?

Two adjacent angles of a parallelogram are congruent. What is the measure of each?

Two adjacent sides of a parallelogram are $5 cm$ and $6 cm$ respectively. Find its perimeter.

Find each angle of a parallelogram if two consecutive angles are in the ratio $1: 3.$

The perimeter of a parallelogram is $180 cm.$ One of its sides is greater than the other by $30 cm.$ Find the length of the sides of the parallelogram.

$ABCD$ is a parallelogram. Find $x, y$ and $z.$

 In the figure, find the four angles $A, B, C$ and $D$ of the parallelogram $ABCD.$

The diagonal of a rectangle is thrice its smaller side. Find the ratio of its sides.