# Mensuration class 8 Notes Mathematics

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## Class 8 Mathematics notes Chapter 11 Mensuration

Download CBSE class 8th revision notes for chapter 11 Mensuration in PDF format for free. Download revision notes for Mensuration class 8 Notes and score high in exams. These are the Mensuration class 8 Notes prepared by team of expert teachers. The revision notes help you revise the whole chapter 11 in minutes. Revision notes in exam days is one of the best tips recommended by teachers during exam days.

## CBSE Class 8 Revision Notes Maths Mensuration

• Perimeter: Length of boundary of a simple closed figure.
Perimeter of:
Rectangle = 2(l + b)
Square = 4a
Parallelogram = 2(sum of two adjacent sides)
• Area: The measure of region enclosed in a simple closed figure.
• Area of a trapezium = half of the sum of the lengths of parallel sides × perpendicular distance between them.
• Area of a rhombus = half the product of its diagonals.
• Triangle = ${1} \over {2}$ x base x height
• Diagonal of:
Rectangle = $\sqrt{l^2+b^2}$
Square = $\sqrt{2a}$
• Surface area of a solid is the sum of the areas of its faces.
• Surface area of:

a cuboid = 2(lb + bh + hl)
a cube = 6l2
a cylinder = $2\pi r$(r + h)
• Amount of region occupied by a solid is called its volume.
•  Volume of
a cuboid = l x b x h
a cube = l3
a cylinder = $\pi$r2h
• (i) 1 cm= 1 ml
• (ii) 1L = 1000 cm3
• (iii) 1 m3 = 1000000 cm3 = 1000L

## Mensuration class 8 Notes Mathematics

Mensuration class 8 Notes Mathematics. CBSE quick revision note for class-8 Mathematics, Chemistry, Math’s, Biology and other subject are very helpful to revise the whole syllabus during exam days. The revision notes covers all important formulas and concepts given in the chapter. Even if you wish to have an overview of a chapter, quick revision notes are here to do if for you. These notes will certainly save your time during stressful exam days.

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