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What happens to the area if the radius of circle is halved

User Ammo
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it gets 1/4 of the original

User KevinKim
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If r is halved: r/2.
A = pi (r/2)(r/2)
A = pr (rr/4)

So te area is 1/4 of the original area.

Have a nice day :D
User Msal
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