Find the cost of fencing a circular park at the rate of ₹10 per metre. The radius of the park is 21 m.

Question

Kennedy · Answer

Step-by-step explanation:   2*(22/7*)21  =2*22*3  =132  new cost of fencing is 10 per metre                                                               =10*132                                                              =1320

Isabella · Answer

Answer:    1386    Step-by-step explanation:      area of circle=pie×radius     sq  uare     m  e  t  r  e      =22/7x21x21=1386  area of ciricle=1386  Cost of fencing=10×1386  = 138600   hence the cost of fencing a circular park at the rate of rupess 10 is 13600 square per metre.

Emma

(3) 8 – 2 (4 – 2) = _.

(A) 6 (B) 4 (C) 2 (D) 12

(4) 3x – 3 (x – 2) = .

(A) 6

shift the digital 7 towards right from its place and compare the new number with the previous ones

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