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MATH / The radius of a circle is 2 inches. When the radius is doubled, by how many…

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problem

The radius of a circle is 2 inches. When the radius is doubled, by how many square inches is the area increased? Express your answer in terms of π\pi.
Plain-text mathematical notation (without MathML)
The radius of a circle is 2 inches. When the radius is doubled, by how many square inches is the area increased?  Express your  answer in terms of π.
Original LaTeX notation
The radius of a circle is 2 inches. When the radius is doubled, by how many square inches is the area increased?  Express your  answer in terms of $\pi$.

level

Level 4

type

Prealgebra

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