Advertisements
Advertisements
प्रश्न
Value of π is ______ approximately.
Advertisements
उत्तर
Value of π is 3.14 approximately.
Explanation:
Value of π is `22/7` = 3.14 approximately.
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`)
In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. The length of the arc is
The circumference of a circle is 22 cm. Find its area.
The diameter of a wheel is 1.4m. How many revolutions does it make in moving a distance of 2.2 kms?
The circumference of a given circular park is 55 m. It is surrounded by a path of uniform width of 3.5 m. Find the area of the path.
The radius of two circles are 20 cm and 13 cm. Find the difference between their circumferences. (Take π =`22/7`)
The circumference of a circle is eigth time the circumference of the circle with a radius of 12 cm. Find its diameter.
AC and BD are two perpendicular diameter of a circle ABCD. Given that the area of shaded portion is 308 cm2 calculate:
(i) The length of AC and
(ii) The circumference of circle
Areas of two circles are equal. Is it necessary that their circumferences are equal? Why?
A photograph of Billiard/Snooker table has dimensions as `1/10`th of its actual size as shown in the following figure:
The portion excluding six holes each of diameter 0.5 cm needs to be polished at rate of ₹ 200 per m2. Find the cost of polishing.
