Advertisements
Advertisements
प्रश्न
Complete the table below.
| Radius (r) | Diameter (d) | Circumference (c) |
| ...... | ...... | 616 cm |
Advertisements
उत्तर
Circumference, c = 616 cm
Now, c = 2πr ...(where 'r' is the radius)
⇒ 616 = `2xx22/7xx"r"`
⇒ r = `616xx1/2xx7/22`
= `(616 xx 7)/(2 xx 22)`
= `4312/44`
⇒ r = 98
So, radius = 98 cm
Diameter, d = 2r
= 2 × 98
= 196 cm
| Radius (r) | Diameter (d) | Circumference (c) |
| 98 cm | 196 cm | 616 cm |
संबंधित प्रश्न
The base of a right – angled triangle measures 48 cm and its hypotenuse measures 50 cm. Find the area of the triangle.
What is the perimeter of a square which circumscribes a circle of radius a cm?
Find the perimeter of a semicircular protractor whose diameter is 14 cm.
The circumferences of two circles are in the ratio 2: 3. What is the ratio between their areas?
A boy is cycling in such a way that the wheels of his bicycle are making 140 revolutions per minute. If the diameter of a wheel is 60 cm, calculate the speed (in km/h) at which the boy is cycling.
In making 1000 revolutions, a wheel covers 88 km. The diameter of the wheel is
The circumference of a circle exceeds its diameter by 18 cm. find the radius of the circle.
In the formula, C = 2πr, ‘r’ refers to
The diameters of front and rear wheels of a tractor are 80 cm and 2 m respectively. Find the number of revolutions that rear wheel will make in covering a distance in which the front wheel makes 1400 revolutions.
Ratio of the circumference of a circle to its diameter is denoted by symbol ______.
