Question

Q13.
Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 600 m and width 200m and parallel to its sides. Find the area of the park excluding cross roads (in hectares)​​

Answer 1

Explanation

Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 700 m and breadth 300 m and parallel to its sides. Find the area of the roads. Also find the area of the park excluding cross roads. Give the answer in hectares.

Medium

Solution

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A and B are two roads in the park.

area covered by road A=700×10(m

2

)

=7000 m

2

area covered by road B=300×10 m

2

=3000 m

2

Common area covered by road A and B=10×10 m

2

=100 m

2

area covered by roads =7000 m

2

+3000 m

2

−100 m

2

=10000 m

2

−100m

2

=9900 m

2

=0.99 hectare

area of the park =700×300 m

2

=210000 m

2

area of the park encluding cross Road =210000 m

2

−9900 m

2

=200100 m

2

=20.01 hectare

Answer 2

Answer:

Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 600 m and width 200m and parallel to its sides. Find the area of the park excluding cross roads (in hectares)​​

Ok then eonnie

im only 2

Explanation: