Question

PRACTICE EXERCISE 17
1. A garden is 90 m long and 75 m broad. A path 5 m wide is to be built outside around it. Find
the area of the path.​

Answer 1

Answer:

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Step-by-step explanation:

Length (l) of garden = 90 m

Breadth (b) of garden = 75 m

Area of garden = l × b = 90 × 75 = 6750 m2

From the figure, it can be observed that the new length and breadth of the garden, when path is also included, are 100m and 85m respectively.

Area of the garden including the path = 100 × 85 = 8500 m2

Area of path = Area of the garden including the path − Area of garden

= 8500 − 6750 = 1750 m2

1 hectare = 10000 m2

Therefore, area of garden in hectare

=6750/10000

=0.675

Answer 2

Answer:

Answer:-

Area of original garden=90×75=6750m²

After path is added around rectangle,

length=90+2×5=100m

breadth=75+2×5=85m

Area of rectangle with path=100×85=8500m²

So'

Area of path =8500-6750=1750m²

we know-:

1m²=0.0001. hactare

so'

6750m²=6750×0.0001=0.675

Hence...

Area of ground =6750m²=0.675 hactare