Advertisements
Advertisements
Question
Circumference ‘C’ of a circle is equal to 2π × ______.
Advertisements
Solution
Circumference ‘C’ of a circle is equal to 2π × r.
Explanation:
Circumference of a circle = 2π × r
APPEARS IN
RELATED QUESTIONS
The hypotenuse of a right-angled triangle is 65 cm and its base is 60 cm. Find the length of perpendicular and the area of the triangle.
The wheel of a motorcycle is of radius 35 cm. How many revolutions per minute must the wheel make so as to keep a speed of 66 km/hr ?
A bucket is raised from a well by means of a rope wound round a wheel of diameter 35 cm. If the bucket ascends in 2 minutes with a uniform speed of 1.1 m per sec, calculate the number of complete revolutions the wheel makes in raising the bucket.
A 4.2 m wide road surrounds a circular plot whose circumference is 176 m. Find the cost of paving the road at Rs 75 m 2.
Find the area and perimeter of the following sector :
Diameter = 42 cm, angle at the centre is 100·.
The wheel of a car makes 10 revolutions per second. If its diameter is 70cm, find the speed of the car in km per hr.
The perimeter of a sector of radius 5.2 cm is 16.4 cm, the area of the sector is ____________.
The radii of the two circles are 19 cm and 9 cm respectively. The radius of the circle which has a circumference equal to the sum of the circumference of two circles is ____________.
If the circumference of a circle is 352 metres, then its area in square metres is ____________.
