Advertisements
Advertisements
प्रश्न
If the circumference of a circle is 82π, then the value of ‘r’ is
विकल्प
41 cm
82 cm
21 cm
20 cm
Advertisements
उत्तर
If the circumference of a circle is 82π, then the value of ‘r’ is 41 cm
APPEARS IN
संबंधित प्रश्न
Shazli took a wire of length 44 cm and bent it into the shape of a circle. Find the radius of that circle. Also find its area. If the same wire is bent into the shape of a square, what will be the length of each of its sides? Which figure encloses more area, the circle or the square? (Take `pi = 22/7`)
Four equal circles, each of radius 5 cm touch each other as shown in fig. Find the area included etween them.
The radius of a sector of a circle is 7 cm. If the measure of the arc of the sector is 210°, find the area of the sector in case.
Three equal circles, each of radius 6 cm, touch one another as shown in the figure. Find the area of enclosed between them. [Take π = 3.14 and `sqrt(3) = 1.73`.]

If the perimeter of a square is equal to the circumference of a circle then the ratio of their areas is ______.
The diameter of a wheel is 84 cm. How many revolutions will it make to cover 792 m?
Find the area enclosed between two concentric circles, if their radii are 6 cm and 13 cm respectively.
Find the diameter of the sphere for the following :
Volume = `72pi "cm"^3`
In reference to a circle the value of π is equal to ______.
Circumference ‘C’ of a circle can be found by multiplying diameter ‘d’ with ______.
