Advertisements
Advertisements
प्रश्न
The diameter of every wheel of a car is 63 cm. How much distance will the car move during the 2000 revolutions of its wheel.
Advertisements
उत्तर
Diameter of car wheel (d) = 63 cm
∴ Circumference = πd = `22/7xx63` = 198 cm
Distance covered in 2000 revolutions
= 2000 × 198 cm
= `(2000xx198)/100` = 3960 m = 3.96 km
APPEARS IN
संबंधित प्रश्न
Find the area of the square whose perimeter is 56 cm.
In the figure given below, find the area of shaded region: (All measurements are in cm)
One side of a parallelogram is 20 cm and its distance from the opposite side is 16 cm. Find the area of the parallelogram.
If the area of a rhombus is 112 cm2 and one of its diagonals is 14 cm, find its other diagonal.
Find the area of a triangle whose base is 30 cm and the height is 18 cm.
Find the height of a triangle whose base is 18 cm and the area is 270 cm2.
The sides of a triangle are 21 cm, 17 cm, and 10 cm. Find its area.
The ratio between the radius of two circles is 5 : 7. Find the ratio between their:
(i) circumference
(ii) areas
The ratio between the areas of two circles is 16 : 9. Find the ratio between their :
(i) radius
(ii) diameters
(iii) circumference
The length and breadth of a rectangular paper are 35 cm and 22 cm. Find the area of the largest circle which can be cut out of this paper.
