Advertisements
Advertisements
प्रश्न
Circumference ‘C’ of a circle can be found by multiplying diameter ‘d’ with ______.
Advertisements
उत्तर
Circumference ‘C’ of a circle can be found by multiplying diameter ‘d’ with π.
Explanation:
∵ Circumference = 2πr
Since, diameter (d) = 2r
So, C = π × d
Hence, π is the answer.
APPEARS IN
संबंधित प्रश्न
In the figure given below, PQRS is square lawn with side PQ = 42 metres. Two circular flower beds are there on the sides PS and QR with centre at O, the intersections of its
diagonals. Find the total area of the two flower beds (shaded parts).
ABC is an isosceles right-angled triangle with ∠ABC = 90°. A semi-circle is drawn with AC as the diameter. If AB = BC = 7 cm, find the area of the shaded region. [Take π = 22/7]
A horse is placed for grazing inside a rectangular field 40m by 36m and is tethered to one corner by a rope 14m long. Over how much area can it graze.
In the given figure, from a rectangular region ABCD with AB = 20 cm, a right triangle AED with AE = 9 cm and DE = 12 cm, is cut off. On the other end, taking BC as diameter, a semicircle is added on outside' the region. Find the area of the shaded region. [Use π = 3.14]
The radius of the circle is given below; find the area.
28 cm
A conical tent with a capacity of 600 m3 stands on a circular base of area 160 m2 Find in m2 the area of the canvas.
Find the area and perimeter of the following sector :
Radius= 6 cm, angle at the centre is 70°
The diameter of a right circular cylinder is 12 m and the slant height is 10 m. Find its curved surface area and the total surface area .
The perimeter of a square and the circumference of a circle are equal. If the length of each side of the square is 22 cm, find:
(i) perimeter of the square.
(ii) circumference of the circle.
(iii) radius of the circle.
Find the circumference of the circle whose area is 25times the area of the circle with radius 7cm.
