Question

A rectrangle park is 45 m long and 30 m wide .A path 2.5 m wide is constructed outside the park find the area of path​

Answer 1

Step-by-step explanation:

Area of park =l×b=45×30=1350 cm

2

Area of park with path is =45+2.5+2.5×30+2.5+2.5=1750 cm

2

Therefore,

Area of path = Area of park with path − Area of rectangular park

=1750−1350=400 cm

2

Hence, this is the answer.

Answer 2

original length = 45 m

New length = 45+2.5+2.5 =50 m

original breadth = 30 m

new breadth = 30+2.5+2.5 =35 m

area of path = area of new park - area of original park

area of path

$= (50 \times 35) - (45 \times 30) \\ = 1750 - 1350 \\ = 400 \: {m}^{2}$

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