Question

Hi friends please help me in this question :
Book : M.L. Aggarwal
Class: 9
Question 1:
A rectangular plot of land measures 41 metres in length and 22.5 metres in width. A boundary wall to metres high is built all around the plot at a distance of 1.5 m from the plot. Find the inner surface area of the boundary wall.
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Answer 1

Step-by-step explanation:

GIVEN:-

The wall is built 1.5 m from the plot so the length and width of wall will be

41 + 2(1.5) = 44m

22.5 + 2(1.5) = 25.5m.

TO FIND:-

Inner surface area of the boundary wall

PROOF:-

Inner area of wall

= 2h (l + b)

= 2 (2) (44 + 25.5)

= 278m^2

ANSWER:-

The inner surface area = 278m^2

Answer 2

Answer:

Prepare a tree diagram on the family of the Bhonsales

and the Peshwas.

Step-by-step explanation:

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