Question

a garden is 90m long nd 75m broad. a path 5m wide is to be built outside nd around it . find area of path . also find area of garden in hectare

Answer 1

Area of original garden = 90 * 75 = 6750 m2m2
After path is added around rectangle, new length = 90 + 2*5 = 100 m
new breadth = 75 * 2*5 = 85 m
Area of rectangle with path = 100 * 85 = 8500 m2m2
So area of path = Area of rectangle with path - Area of rectangle without path
Area of path = 8500 - 6750 = 1750 m2

Answer 2

area of garden = 90×75= 6750msq.
path is 5m wide
so length of path = 90+2×5=100m
so breadth of path=75+2×5=85m
area of garden with path= 100×85=8500msq.
so area of path = area of outer rectangle - area of inner rectangle
area of path = 8500-6750
= 1750msq.
1 hectare=10,000msq.
area of garden in hectares =6750×10000
=67500000hectaresq.
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