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28-04-2020
Mathematics

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A circular railroad-crossing sign has a diameter of 30 inches. Which measurement is closest to the area of the sign?

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Wollfgirl Wollfgirl

28-04-2020

Answer:

A is about 706.86 inches squared hope this helps! :)

Step-by-step explanation:

Using the formulas

A=πr2

d=2r

Solving forA

A=1

4πd2=1

4·π·302≈706.85835in²

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