Advertisements
Advertisements
प्रश्न
The formula used to find the area of the circle is ________ sq.units
पर्याय
4πr2
πr2
2πr2
πr2 + 2r
Advertisements
उत्तर
The formula used to find the area of the circle is πr2 sq.units
APPEARS IN
संबंधित प्रश्न
A road which is 7 m wide surrounds a circular park whose circumference is 352 m . Find the area of the road .
In the following figure, PQRS is a square of side 4 cm. Find the area of the shaded square.
The radius of a wheel is 0.25 m. The number of revolutions it will make to travel a distance of 11 km will be
If the radius of a circle is diminished by 10%, then its area is diminished by
If the area of a sector of a circle bounded by an arc of length 5π cm is equal to 20π cm2, then its radius is
A chord of a circle of radius 10 cm subtends a right angle at the centre. The area of the minor segments (given, π = 3.14) is
A wire when bent in the form of an equilateral triangle encloses an area of `121sqrt(3)" cm"^2`. If the same wire is bent into the form of a circle, what will be the area of the circle?
The given figures show a rectangle ABCD inscribed in a circle as shown alongside.
If AB = 28 cm and BC = 21 cm, find the area of the shaded portion of the given figure.
A sprinkler placed at the centre of a flower garden sprays water covering a circular area. If the area watered is 1386 cm2, find its radius and diameter
The area of the circle whose diameter is 21 cm is ____________.
