alyssajimenez598 alyssajimenez598

04-06-2021
Mathematics

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the area of a circle is 100 square miles. What is the diameter?

Respuesta :

lisamoore2332 lisamoore2332

04-06-2021

Answer:

The diameter of a circle with an area of 100 square miles is 20/√π miles.

Step-by-step explanation:

Area =100 = πr^2.

diameter = d = 2r.

100 = πr^2.

100/π = r^2.

√(100/π) = r.

10/√π = r.

d = 2r.

d = 2 * 10/√π.

d = 20/√π

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