Advertisements
Advertisements
प्रश्न
Diameters of different circles are given below. Find their circumference (Take π = `22/7`)
d = 56 m
Advertisements
उत्तर
Diameter d = 56 m
Circumference = πd units
= `22/7 xx 56`
= 22 × 8
= 176 m
APPEARS IN
संबंधित प्रश्न
A field is in the form of circle. A fence is to be erected around the field. The cost of fencing would to Rs. 2640 at rate of Rs.12 per metre. Then the field is to be thoroughs ploughed at cost of Rs. 0.50 per m2. What is amount required to plough the field?
Find the area of the rhombus, the length of whose diagonals are 30 cm and 16 cm. Also, find the perimeter of the rhombus.
Find the perimeter of a semicircular protractor whose diameter is 14 cm.
The inside perimeter of a running track shown in the figure is 400 m. The length of each of the straight portions is 90 m, and the ends are semicircles. If the track is 14 m wide everywhere, find the area of the track. Also, find the length of the outer boundary of the track.
If the sum of the circumferences of two circles with radii R1 and R2 is equal to the circumference of a circle of radius R, then ______.
Find the area enclosed between two concentric circles, if their radii are 6 cm and 13 cm respectively.
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 of a circular field that has a circumference of 396 m.
A cylindrical bucket, whose base radius is 20 cm, is filled with water to a height of 25 cm. A heavy iron spherical ball of radius 10 cm is dropped to submerge completely in water in the bucket. Find the increase in the level of water.
The cost of fencing a circular field at the rate of ₹ 240 per meter is ₹ 52,800. The field is to be ploughed at the rate of ₹ 12.50 per m2. Find the cost of pouching the field.
