3 years ago

What happens to the area of the circle when it's radius is doubled?12.57÷3.14radius= 4cm

1 answer:

4 0

Area of circle = pi x radius squared where pi = 3.1416 radius = diameter/2 = 4/2 = 2 ins Area = 3.1416 x 2 x 2 sq.ins. = 12.5664 sq in.

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3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B9%7Dx%20-%20%5Cfrac%7B1%7D%7B3%7D%20%3D%20-1" id="TexFormula1" title="\frac{2

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$\large \mathfrak{Solution : }$

let's solve for x :

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