HARD
8th CBSE
IMPORTANT
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If the diagonals of a rhombus are 4.8 cm and 1.4 cm, then what is the perimeter of the rhombus?

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Important Questions on Mensuration

MEDIUM
8th CBSE
IMPORTANT
One side of a parallelogram is 8.06 cm and its perpendicular distance from opposite side is 2.08 cm. What is the approximate area of the parallelogram ? (Give write answer to two decimal places).
MEDIUM
8th CBSE
IMPORTANT
The base of a parallelogram is thrice of its height. Given, the area of the parallelogram is 2187 cm2. If the height is k cm, then find the value of k.
MEDIUM
8th CBSE
IMPORTANT
The base of a parallelogram is twice its height. Given, the area of the parallelogram is 144 cm2. If the height is k2 cm, then find the value of k.
HARD
8th CBSE
IMPORTANT
Four horses are tethered with equal ropes at 4 corners of a square field of side 70 m. So, that they just can reach one another. If the area left ungrazed by the horses is k cm2, then find the value of k (Useπ=227).
HARD
8th CBSE
IMPORTANT
The walls and ceiling of a room are to be plastered. The length, breadth and height of the room are 4.5 m, 3 m and 350 cm, respectively. If the cost of plastering at the rate of  8 per m2 is  k, find the value of k.
MEDIUM
8th CBSE
IMPORTANT
The base radius and height of a right circular cylinder are 5 cm and 10 cm, respectively. If the surface area is k cm2, then find the value of k. (Useπ=3.14).
MEDIUM
8th CBSE
IMPORTANT
If the volume of a right circular cylinder of length 80 cm and diameter of the base 14 cm is k cm3, then find the value of k. (Use π=227)
MEDIUM
8th CBSE
IMPORTANT
The diameter of the base of a right circular cylinder is 14 cm, while its length is 40 cm. If the total surface area of the cylinder is k cm2, then find the value of k