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Find the circumference and Area of the circle whose radius are gives below

(a) 21 cm (b) 6.3 cm

(c) 14 mm

(d) 28 cm

(e) 49 cm (f) 77 mm

Take π = 22/7 in all the above questions

If the circumference of a circular sheet is 176 m, find its diameter and area.

The area of a circle is 616 cm

From a circular sheet of a radius 5 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet.

Find the perimeter semicircle whose radius is 5 cm including the diameter.

The diameter of a wheel is 70 cm. How many times the wheel will revolve in order to cover a distance of 110 m?

The ratio of the radii of two wheels is 3 : 2. Find the ratio of their circumference.

A well of diameter 150 cm has a stone parapet around it. If the length of the outer edge of the parapet is 616 cm, find the width of the parapet.

A thin wire is in the form of an equilateral triangle of side 11 cm. Find the area of a circle whose circumference is equal to the length of the wire.

Find the area of a circle whose circumference is same as the perimeter of square of side 22 cm.

Two circles have areas in the ratio 16 : 121. Find the ratio of their circumference and diameter

Find the circumference of a wheel whose radius is 49 cm. Find the distance covered in 120 seconds, if it revolves 5 times per second.

The radius of a wheel is 63 cm. Find the number of turns required to cover a distance of 1540 m.

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**Notes****Worksheets**- Mensuration Class 8 Worksheet- 1
- Mensuration Class 8 Worksheet- 2
- Mensuration Class 8 Worksheet- 3
- Mensuration Class 8 Worksheet- 4

**Ncert Solutions**

Class 8 Maths Class 8 Science

Given below are the links of some of the reference books for class 8 Math.

- Mathematics Foundation Course for JEE/Olympiad : Class 8 This book can take students maths skills further. Only buy if child is interested in Olympiad/JEE foundation courses.
- Mathematics for Class 8 by R S Aggarwal Detailed Mathematics book to clear basics and concepts. I would say it is a must have book for class 8 student.
- Pearson Foundation Series (IIT -JEE / NEET) Physics, Chemistry, Maths & Biology for Class 8 (Main Books) | PCMB Combo : These set of books could help your child if he aims to get extra knowledge of science and maths. These would be helpful if child wants to prepare for competitive exams like JEE/NEET. Only buy if you can provide help to the child while studying.
- Reasoning Olympiad Workbook - Class 8 :- Reasoning helps sharpen the mind of child. I would recommend students practicing reasoning even though they are not appearing for Olympiad.

You can use above books for extra knowledge and practicing different questions.

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