Advertisements
Advertisements
Question
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
Solution
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
RELATED QUESTIONS
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)
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.
One side of a parallelogram is 18 cm and its area is 153 cm2. Find the distance of the given side from its opposite side.
Find the area of a triangle whose base is 30 cm and the height is 18 cm.
The legs of a right-angled triangle are in the ratio 4 : 3 and its area is 4056 cm2. Find the length of its legs.
The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel one kilometer?
A wire is along the boundary of a circle with a radius of 28 cm. If the same wire is bent in the form of a square, find the area of the square formed.
