Question

If the radius of circle is increased by 50%,
then what will be the percentage increase
in its area?​

Answer 1

Answer:

25 %

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

increase = 150/100

= 3/2

2 = original area

3 = new area

increase in area = 3 - 2 = 1

% = 1×100/2 = 50 %