Understanding Quadrilaterals Important Questions

Question 1.
The sum of the interior angles of a regular polygon is twice the sum of the exterior angles. Find the number of sides of the polygon

Question 2.
Three angles of the quadrilaterals are in the ratio 2:3:4. The sum of the least and the greatest of these three angles is equal to 180°. Find all the angles of the quadrilateral

Question 3.
The exterior angle of a regular polygon is one-fifth of its interior angle. How many sides has the polygon?

Question 4.
One of the angle in the parallelogram is 80°. Find the other angles in the parallelogram

Question 5.
The angles of the quadrilateral is in the ratio 1:2:3:4. Find all the angles

Question 6.
One of the diagonals of a rhombus is equal to its sides. Find the measures of all the angles of the rhombus

Question 7.
In a parallelogram ABCD, the bisectors of ∠ A and ∠ B meet at O. Find ∠ AOB.

Question 8.
Find the value of x in the trapezium ABCD

Question 9.
The diagonals of a rhombus are 8 cm and 15 cm. Find its side.

Question 10.
Find the values of x and y in the following parallelogram.

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