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Ayush Mishra

· started a discussion

· 1 Months ago

area of shaded portion in only one semicircle is calculated in solution (Question: 367589.0 )

the area will be multiplied by 2

Question:

AD is the diameter of a circle with area 707 m2 and and AB = BC = CD as shown in the figure above. All curves inside the circle are semicircle with their diameters on AD. What is the cost of levelling the shaded region at the rate of Rs.63 per square metre? 

  

Options:
A)

Rs.29,700

B)

Rs.22,400

C)

Rs.14,847

D)

None of the above

Solution:

Ans: (c)

  

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