Advertisements
Advertisements
Question
Area of circle of radius ‘n’ units is
Options
2πrp sq.units
πm2 sq.units
πr2 sq.units
πn2 sq.units
Advertisements
Solution
Area of circle of radius ‘n’ units is πn2 sq.units
APPEARS IN
RELATED QUESTIONS
Find the cost of polishing a circular table-top of diameter 1.6 m, if the rate of polishing is ₹ 15/m2. (Take π = 3.14)
In the following figure, ABC is a right angled triangle in which ∠A = 90°, AB = 21 cm and AC = 28 cm. Semi-circles are described on AB, BC and AC as diameters. Find the area of the shaded region.

If the circumference of two circles are in the ratio 2 : 3, what is the ratio of their areas?
If the radius of a circle is diminished by 10%, then its area is diminished by
If the difference between the circumference and radius of a circle is 37 cm, then its area is
In the given figure, O is the centre of the bigger circle, and AC is its diameter. Another circle with AB as diameter is drawn. If AC = 54 cm and BC = 10, find the area of the shaded region.

Find the areas of both the segments of a circle of radius 42 cm with central angle 120°.
The area of the sector of angle θ° of a circle with radius R is
The minute hand of a clock is 12 cm long. Find the area of the face of the clock described by the minute hand in 35 minutes.
How much distance, in metres, a wheel of 25 cm radius will cover if it rotates 350 times?
