Question

A rectangular plot is 85m long and 60m broad is to be covered with grass leaving 5m all around find the area to be laid with grass

Answer 1

Answer:

Area of grass field = 3750 m²

Step-by-step explanation:

Dimensions of ABCD rectangular plot:

Length (L) = 85 m

Breadth (B) = 60 m,

Width ( w) = 5 m

Dimensions of EFGH rectangular grass :

Length (l) = L - 2w

= 85 m - 2×5

= 85 m - 10 m

= 75 m

Breadth (b) = B - 2w

= 60m - 2×5

= 60m - 10m

= 50m

Area of the grass field = Area of EFGH

= l × b

= 75 m × 50 m

= 3750 m²

Therefore,

Area of grass field = 3750 m²

•••♪

Answer 2

Answer:

The answer is 3750m².

Step-by-step explanation:

In rectangle ABCD,

Length =85m

Breadth =60m

Width = 5m.

In rectangle EFGH or grass field ,

Length =l-2w

= 85-2×5

=85-10

= 75m

Breadth = b-2w

= 60-2×5

= 60-10

= 50m

Therefore,

Area of the grass field = l×b

= 75m × 50m

= 3750m².......... answer

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