Question

your answer is wrong miss Naina , see the radius of each pillar is 56 not 28 , I reported your answer , don't give me wrong and unnecessary answers if you don't know leave it or else if you know give me correct answer with explaination ...!!
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Answer 1

Answer:

Don't tell like this.

She tried her best. Now if a digit has been put wrong, then it's a silly mistake. You should have thanked her for her efforts and then told her about her mistake. Learn to deal with people patiently.