S.N. Chhibber Solutions for Chapter: Perimeter and Area of Plane Figures, Exercise 4: Exercise

Author:S.N. Chhibber

S.N. Chhibber Mathematics Solutions for Exercise - S.N. Chhibber Solutions for Chapter: Perimeter and Area of Plane Figures, Exercise 4: Exercise

Attempt the practice questions on Chapter 20: Perimeter and Area of Plane Figures, Exercise 4: Exercise with hints and solutions to strengthen your understanding. Joy Of Mathematics 8 solutions are prepared by Experienced Embibe Experts.

Questions from S.N. Chhibber Solutions for Chapter: Perimeter and Area of Plane Figures, Exercise 4: Exercise with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT

The diameter of the two circles are 3.5cm and 4.2cm. If the ratio of the area of the smaller circle to that of the bigger circle is 25:k, then find the value of k.

MEDIUM
8th CBSE
IMPORTANT

A wire bent in the form of a square encloses an area of 121 m2. The same wire is rebent to form a circle and the area it encloses is k m2.  Find the value of k.

HARD
8th CBSE
IMPORTANT

A carriage wheel makes 20,000 revolutions in going over a distance of 15.7 kilometers. Find the radius of the wheel in centimetre taking π=3.14. Write your answer in one decimal place.

MEDIUM
8th CBSE
IMPORTANT

A wire in circular shape with radius 56 cm. If It is bent in the form of a square, then find the side of the square in centimetre considering π=227.

HARD
8th CBSE
IMPORTANT

The circumference of a circle is 35.2 m. Find its diameter and area.

MEDIUM
8th CBSE
IMPORTANT

If the circumference of the circle whose area is 2464 cm2 is k cm, then find the value of k considering π=227.

MEDIUM
8th CBSE
IMPORTANT

The diameter of the wheel of a car is 77 cm. How many revolutions will it make to travel 121 km considering π=227.

HARD
8th CBSE
IMPORTANT

Two circles are drawn inside a big circle with the diameter 23and 13 of the diameter of the big circle. If the area of the shaded portion is kπ, when the length of the diameter of the big circle is 18cm, then find the value of k.

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