A park 20 m long and 15 m broad has 2 m wide roads
crossing each other as shown. The sides of the roads
which have been covered with stones are shown by dotted
lines. Find the total length to be paved by stones.
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The total length to be paved by stones is 62 m
Step-by-step explanation:
A park 20 m long and 15 m broad has 2 m wide roads crossing each other as shown in attachment.
The sides of the roads which have been covered with stones are shown by dotted lines.
The total length to be paved by stones is sum of outer length of path.
Horizontal = 20 - 2
It is parallel to both sides.
Total Length of horizontal = 2(20-2) = 36 m
Vertical = 15 - 2
It is parallel to both sides.
Total Length of horizontal = 2(15-2) = 26 m
Total length to be paved by stones = 36 + 26
= 62 m
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