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Class 8 NCERT Solutions Maths Chapter 9 - Mensuration

Mensuration Exercise Ex. 9.1

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Let the length of the other diagonal of the rhombus be x.

A rhombus is a special case of a parallelogram.

We know that,

Area of a parallelogram = Base × Height

Area of a rhombus = 5 × 4. 8 = 24 cm2

Also, Area of a rhombus =

24 =

x =

Thus, the length of the other diagonal of a rhombus is 6 cm.

 

Solution 7

Solution 8

Solution 9

Solution 10


Solution 11

Mensuration Exercise Ex. 9.2

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Mensuration Exercise Ex. 9.3

Solution 1

Solution 2


Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8