Advertisements
Advertisements
Question
Area of circle of radius ‘n’ units is
Options
2πrp sq.units
πm2 sq.units
πr2 sq.units
πn2 sq.units
Solution
Area of circle of radius ‘n’ units is πn2 sq.units
APPEARS IN
RELATED QUESTIONS
A square of diagonal 8 cm is inscribed in a circle. Find the area of the region lying outside the circle and inside the square.
In the following figure, PQRS is a square of side 4 cm. Find the area of the shaded square.
If a wire is bent into the shape of a square, then the area of the square is 81 cm2. When wire is bent into a semi-circular shape, then the area of the semi-circle will be ______.
If diameter of a circle is increased by 40%, then its area increase by
If π is taken as `22/7` the distance (in metres) covered by a wheel of diameter 35 cm, in one revolution, is
Four equal circles, each of radius 5 cm, touch each other, as shown in the figure. Find the area included between them.
In the given figure, ∆ABC is right-angled at A. Semicircles are drawn on AB, AC and BC as diameters. It is given that AB = 3 cm and AC = 4 cm. Find the area of the shaded region.
A lawn is in the shape of a semicircle of diameter 42m. the lawn is surrounded by a flower bed of width 7m all round. Find the area of the flower bed in m2.
Find the area of the biggest circle that can be cut from a rectangular piece 44cm by 28cm. also, find the area of the paper left after cutting out the circle.
Area of the circle obtained in 196 m2 is ______.
