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Standard VIII

Mathematics

Perimeter

Question 125 ...

Question

Question 125 (iii)

The plan and measurement for a house are given in the figure. The house is surrounded by a path 1 m wide.

Find the area of the living room.

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Solution

Area of living room = Area of rectangle ACGH - Area of rectangle ABJI - Area of rectangle BCLK
$= (4 + 2.5) \times (3 + 3) - 4 \times 3 - 2.5 \times 2 = 39 - 12 - 5$
$= 22 m^{2}$

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Perimeter

Standard VIII Mathematics

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Question 125 (iii) The plan and measurement for a house are given in the figure. The house is surrounded by a path 1 m wide. Find the area of the living room.

Area of living room = Area of rectangle ACGH - Area of rectangle ABJI - Area of rectangle BCLK =(4+2.5)×(3+3)−4×3−2.5×2=39−12−5 =22 m2

Question 125 (iii)

The plan and measurement for a house are given in the figure. The house is surrounded by a path 1 m wide.

Find the area of the living room.

Area of living room = Area of rectangle ACGH - Area of rectangle ABJI - Area of rectangle BCLK
$= (4 + 2.5) \times (3 + 3) - 4 \times 3 - 2.5 \times 2 = 39 - 12 - 5$
$= 22 m^{2}$