Question

A rectangular park is 50 m long and 35 m broad. A 3.5 m broad pavement runs
along the boundary of the park. Find the cost of cementing this pavement at the
rate of 400 per 8 m2.​

Answer 1

Answer:

Area of rectangular park=length x breadth=50 x 35=1750

length of outer boundary=50+2x 3.5=50+7=57

breadth of outer boundary=35+2 x 3.5=35+7=42

area of outer rectangle=legthxbreadth=57x42=2394

area of pavement =are of outer rectangle-area of inner rectangle=2394-1750=644

cost of cementing=644/8x400=rs.32200

Step-by-step explanation:

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