Advertisements
Advertisements
Question
Diameters of different circles are given below. Find their circumference (Take π = `22/7`)
d = 56 m
Advertisements
Solution
Diameter d = 56 m
Circumference = πd units
= `22/7 xx 56`
= 22 × 8
= 176 m
APPEARS IN
RELATED QUESTIONS
The short and long hands of a clock are 4 cm and 6 cm long respectively. Find the sum of distances travelled by their tips in 2 days. (Take π = 22/7)
The circumferences of two circles are in the ratio 2: 3. What is the ratio between their areas?
A path of 8 m width runs around the outsider of a circular park whose radius is 17 m. Find the area of the path.
Find the area and perimeter of the circle with the following :
Diameter = 77 cm
Find the area and perimeter of the following sector :
Diameter = 42 cm, angle at the centre is 100·.
A bucket is raised from a well by means of a rope which is wound round a wheel of diameter 77 cm. Given that the ascends in 1 minute 28 seconds with a uniform speed of 1.1 m/sec, calculate the number of complete revolutions the wheel makes in raising the bucket. (Take π =22/7)
Find the circumference of a circle whose area is 81πcm2.
A wire when bent in the form of a square encloses an area of 484cm2. If the same wire is bent into the form of a circle, find the area of the circle.
A wire bent in the form of an equilateral triangle has an area of `121sqrt(3)"cm"^2`. If the same wire is bent into the form of a circle, find the area enclosed by the wire.
The area of a circle whose circumference is 22 cm, is ____________.
