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29-05-2019
Mathematics

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What’s the radius of a circle with an area of 123 square feet

Respuesta :

29-05-2019

Answer:

6.25716517287

Step-by-step explanation:

Area of circle = π × r²

→ 123 = π × r²

⇒ Divide both sides by π

→ 39.1521160006 = r²

⇒ Square root both sides

→ 6.25716517287 = r

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