Question

if the radius of a circle is doubled find the total increase in its area​

Answer 1

Answer:

⬇ ⬇

Step-by-step explanation:

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Answer 2

ANSWER :

3πr^2

Step-by-step explanation:

If radius is r

than area if circle is given by the formula πr^2----(1)

If radius becomes double i.e. 2r

then area becomes π(2r) ^2 = π4r^2-----(2)

therefore increase in area = (2)-(1) = 3πr^2

YO that's it.