If the radius of a circle is doubled, by what factor does the area increase?
Practice Questions
Q1
If the radius of a circle is doubled, by what factor does the area increase?
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Questions & Step-by-Step Solutions
If the radius of a circle is doubled, by what factor does the area increase?
Area of a Circle – The area of a circle is calculated using the formula A = πr^2, where r is the radius.
Effect of Doubling Radius – Doubling the radius of a circle results in the area increasing by a factor of four, as the area is proportional to the square of the radius.
