EASY
9th West Bengal Board
IMPORTANT
Earn 100

Determine the height of the rhombus, the length of each side of which is a cm

Important Questions on Theorems on Areas

EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 2
The area of the parallelogram ABCD is 44 sq.cm. P is the midpoint of BC, Determine the area of the△ABP
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 2
A square and a rhombus stand on same base of length 10 cms. Show that the area of the square is more than that of the rhombus. 
MEDIUM
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 3
In the isosceles△ABC, AB=AC, O is any point on the side BC. OP and OQ are the perpendicular distances of the sides AB and AC from O respectively. BD is the perpendicular distance of AC from O. Show that OP+OQ=BD.
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 4
In the trapezium ABCD, AB is parallel to DC. The diagonals AC and BD of it intersects at O. Prove that triangle AOD=triangle BOC.
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 5
Prove that the line segment joining the midpoints of the lateral sides of any trapezium is parallel to any of its parallel sides.
EASY
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 6
Prove that the area of the parallelogram produced by joining the midpoints of the sides of a quadrilateral taken in order is half the area of the quadrilateral.
MEDIUM
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 7
If a square and a rhombus lie on the same base, then find logically which one is greater in area.
MEDIUM
9th West Bengal Board
IMPORTANT
MATHEMATICS CLASS 9>Chapter 12 - Theorems on Areas>EXERCISE-3>Q 8
Prove that the area of a rhombus is half the area of the rectangle produced by the diagonals of the rhombus .