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
A square lawn is surrounded by a path 2.5 m wide. If the area of the path is 165 m2 find the area of the lawn.
In the figure given below, find the area of shaded region: (All measurements are in cm)
The base of a parallelogram is thrice it height. If its area is 768 cm2, find the base and the height of the parallelogram.
The adjacent sides of a parallelogram are 15 cm and 10 cm. If the distance between the longer sides is 6 cm, find the distance between the shorter sides.
Find the area of a triangle whose base is 30 cm and the height is 18 cm.
The area of a right-angled triangle is 160 cm2. If its one leg is 16 cm long, find the length of the other leg.
Find the area of an equilateral triangle whose each side is 16 cm. (Take `sqrt3`= 1.73)
The sides of a triangle are 21 cm, 17 cm, and 10 cm. Find its area.
Find the area of an isosceles triangle whose base is 16 cm and the length of each of the equal sides is 10 cm.
The diameter of a circle is 20 cm. Taking π = 3.14, find the circumference and its area.
