HARD
9th ICSE
IMPORTANT
Earn 100

 Find the shaded area in the given circle with radius 20 cm, AOB= 90°. [Take π = 3.14]

Important Questions on Mensuration

HARD
9th ICSE
IMPORTANT

OAB is a quadrant of a circle of radius 14 cm. A semicircle is drawn on diameter OB. Calculate the shaded area.

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HARD
9th ICSE
IMPORTANT

OAB is a quadrant of a circle of radius 14 cm. A semicircle is drawn on diameter OB. Calculate the length of arc AB.

HARD
9th ICSE
IMPORTANT

PQ is the diameter of the semicircle with centre O. OR is the diameter of the small circle inscribed in it. Find the shaded area if PQ=21 cm

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EASY
9th ICSE
IMPORTANT

The quadrants shown in the figure given below are each of radius 7 cm. Calculate the area of the shaded portion.

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HARD
9th ICSE
IMPORTANT
The cost of fencing a circular field at the rate of 24 per metre is 5280. Calculate the radius of the field.
HARD
9th ICSE
IMPORTANT
The cost of fencing a circular field at the rate of 24 per metre is 5280. Calculate the cost of ploughing the field at the rate of 2 per m².
HARD
9th ICSE
IMPORTANT

Two small circles touching each other externally and of radius 6 cm are inscribed in a circle. Find the shaded area.

[Take π=227]

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HARD
9th ICSE
IMPORTANT

Two semicircles and one circle of same radius 5 cm are inscribed in a rectangle. Find the area of shaded region. [Take π=227]

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