Advertisements
Advertisements
प्रश्न
Complete the table below.
| Radius (r) | Diameter (d) | Circumference (c) |
| ...... | 28 cm | ...... |
Advertisements
उत्तर
| Radius (r) | Diameter (d) | Circumference (c) |
| 14 cm | 28 cm | 88 cm |
Explanation:
Diameter (d) = 28 cm
Radius (r) = `d/2 = 28/2` = 14 cm
Circumference (c) = πd
= `22/7 xx 28`
= 88 cm
संबंधित प्रश्न
Find the area of circle whose circumference is 44 cm.
In the given figure,
\[\square\] PQRS is a rectangle. If PQ = 14 cm, QR = 21 cm, find the areas of the parts x, y, and z.
Choose the correct alternative answer for the following question.
The curved surface area of a cylinder is 440 cm 2 and its radius is 5 cm. Find its height.
The diameters of the front and rear wheels of a tractor are 80 cm and 2 m respectively. Find the number of revolutions that a rear wheel makes to cover the distance which the front wheel covers is 800 revolutions.
Find the curved surface area , the total surface area and the volume of a cone if its :
Height = 8 cm , diameter = 12 cm
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.
In the given figure, the area of the shaded portion is 770 cm2. If the circumference of the outer circle is 132 cm, find the width of the shaded portion.
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.
In the formula, C = 2πr, ‘r’ refers to
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 ____________.
