MEDIUM
9th CBSE
IMPORTANT
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If an angle of a parallelogram is four-fifths of its adjacent angle, find the angles of the parallelogram.

Important Questions on Quadrilaterals

EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 8
Find the measure of each angle of a parallelogram, if one of its angles is 30° less than twice the smallest angle.
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 9
ABCD is a parallelogram in which AB=9.5 cm and its perimeter is 30 cm. Find the length of each side of the parallelogram.
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 10

In the figure given below, ABCD is a rhombus. Find the value of x° and y°.

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MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 10

In the figure given below, ABCD is a rhombus. Find the value of x° and y°.

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MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 10

In the figure given below, ABCD is a rhombus. Find the value of x and y.

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EASY
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 11
The lengths of the diagonals of a rhombus are 24 cm and 18 cm respectively. If the length of each side of the rhombus is k cm, find the value of k.
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 12
Each side of a rhombus is 10 cm long and one of its diagonals measures 16 cm. Find the length of the other diagonal and hence find the area of the rhombus.
MEDIUM
9th CBSE
IMPORTANT
Secondary School Mathematics FOR CLASS 9>Chapter 10 - Quadrilaterals>EXERCISE 10B>Q 13

In the figure given below, ABCD is a rectangle. Find the values of x° and y° in each case.

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