A circular Park has diameter is 74 m. A uniform path 3 m wide runs around outside. find the cost of travelling the path at Rs.15.50 per square metre.
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Answer: As diameter is 74 m
Radius =47m
Area=22/7 × r × r
=22/7 × 47 ×47
=6,942.57 m^2
Radius minus path=47-3
=44m
New area= 22/7 ×44 ×44
=6,084.57 m^2
Area of path=6942.57- 6084.57
=858 m^2
Cost of leavening path=858×15.50
=13,299
Step-by-step explanation:
Answered by
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Answer:
Step-by-step explanation:
Area of the circular park = length x breadth
= 74 x 3m
= 222m²
Cost of travelling = 15.50 x 222m²
= 3341 x 2
= 6682 rupees
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