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a circular railroad crossing sign has a diameter of 30 inches. which measurment is closest to the area of the sign in square inches which measurement is closest to the area of the sign in square inches ​

User Hendrra
by
8.4k points

1 Answer

1 vote

Answer


707in^2

Step-by-step explanation

The formula to determine the area of a circle is
\pi r^2

Convert the diameter to radius

30/2 = 15

The radius is 15

Plug in the radius into the formula above


\pi 15^2 = 225\pi

225 *
\pi = approximately
707in^2

User Stussa
by
7.9k points