Question

7. If the radius of a circle is increased by 6%, then
by how much does the area of the circle
increase?
(1) 0.36%
(2) 3.6% (3) 1236%
(4) 6%
(5) None of these​

Answer 1

Answer:

Area of the Circle = πr2πr2

So, Percentage change in area of the Circle is 6 + 6 +6*6/100 = 12.36%

Thus, correct answer will be (D) 12.36%

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Answer 2

Answer:

12.36%

Step-by-step explanation:

Area of the Circle =

So, Percentage change in area of the Circle is 6 + 6 +6*6/100 = 12.36%

Thus, correct answer will be (3) 12.36%

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