Question

A rectangular area having length and breadth equals to 12m and 8m respectivelyis to be bounded by 50cm broad garden
from outside. What is the total area of the garden

full Explained ​

Answer 1

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Given:

★Length of Rectangular area = 12 m

★Breadth of Rectangular area = 8 m

To find:

Total area of garden = ?

Solution:

★Area of path =

Area of larger rectangle-Area ofbsmaller rectangle

★Finding length and breadth of both rectangle

★Smaller Rectangle :

Length = 12m

Breadth = 8 m

★Larger Rectangle:

• Length of larger Rectangle= length of smaller rectangle+ 2×0.5 m

= 12+1

=13m

• Breadth of Larger rectangle= Breadth of smaller rectangle+2×0.5m

=8+1

=9m

★Area of Smaller rectangle:

Length = 12m

Breadth= 8m

Area = L×B = 12×8 = 96 ${m}^{2}$

★Area of Larger rectangle:

Length = 13 m

Breadth = 9 m

Area= L×B= 13×9 = 117 ${m}^{2}$

Now,

Area of garden = Area of Larger Rectangle- Area of Smaller Rectangle

=117 ${m}^{2}$-96 ${m}^{2}$

= 21 ${m}^{2}$

So ,

Total Area of Garden = 21 ${m}^{2}$

Answer 2

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