একটি বৃত্তের ব্যাসার্ধ 10%বৃদ্ধি করা হলে ক্ষেত্রফল কত বৃদ্ধ পাবে
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Here is the answer
let,
radius=x
therefore,
area=πx^2
radius is 10%more,
now radius is 110x/100,
area=π12100x^2,
area gained in percent=1100×100÷1000=110%
Hope the answer is correct.
let,
radius=x
therefore,
area=πx^2
radius is 10%more,
now radius is 110x/100,
area=π12100x^2,
area gained in percent=1100×100÷1000=110%
Hope the answer is correct.
dibyendumondal111:
21 ans
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