Question

how many pennies fit in a 22-inch circle?​

Answer 1

Answer :

663 Pennies can fit into a 22-inch circle

Answer 2

The required number of pennies fit in the circle is 13.

Area of the Circle:

The formula of the area of the circle is $A=\pi r^2$

As we know that the standard radius of a penny is 0.75 inch

So, the area of the one penny is,

$A=\pi r^2\\A=3.14\times (0.75)^2\\A=1.77$

So, the total number of pennies fit in the 22-inch circle is,

$n=\frac{22}{1.77} \\n=12.49\\n\approx 13$

Learn more about the topic of the area of the circle:

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