HARD
9th West Bengal Board
IMPORTANT
Earn 100

The perimeter and the height of the rhombus are 20cm and 4.8 cm respectively. If one of the diagonals be 6 cm then find the length of the other diagonal.

Important Questions on Perimeter and Area of Triangles and Quadrilaterals

HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
The side of a field of rhombus-shaped is 64 m and height is 16 m. Find the length of the sides of a square the area of which is equal to the area of the rhombus. 
HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
ABCD is a rhombus of which AB=10 cm and ∠B=120°. Find the area of the rhombus.
HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
Two adjacent sides of a parallelogram are 12 cm, 14cm and the diagonal joining the endpoints of these sides is 18 cm. Find the area of the parallelogram.
HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
Two adjacent sides of a parallelogram are 32 cm, 24cm. The perpendicular distance between the greater sides is 17.4 cm. Find the same between the shorter sides.
MEDIUM
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3

The areas of a parallelogram and a rhombus are equal. The lengths of the diagonals of the rhombus are 120 cm and 44 cm. If one of the sides of the parallelogram be 66 cm, then find the height of it w.r.t that side.

HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
The area of a trapezium is 276 sq-cm and height 24 cm. If one of its parallel sides be 7cm more than the other then find the lengths of the parallel sides.
HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
The area of a trapezium is 210 sq-cm and the ratio of the length of its parallel sides is 3:4. If the height of it 6 cm. Then find the lengths of the parallel sides.
HARD
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 19 - Perimeter and Area of Triangles and Quadrilaterals>EXERCISE-1.3>Q 3
The parallel sides of a trapezium are 25 cm and 13 cm. Its non-parallel sides equal 10 cm. What is the area of the trapezium?