shailysaucerman4280 shailysaucerman4280

26-06-2021
Mathematics

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The radius of a circle with area A is approximately $\sqrt{\frac{A}{3}}$ . The area of a circular mouse pad is 45 square inches. Estimate its radius to the nearest tenth.

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CoastsideDad CoastsideDad

26-06-2021

Answer:

A = [tex]\pi[/tex][tex]r^{2}[/tex]

45 = [tex]\pi[/tex][tex]r^{2}[/tex]

45/[tex]\pi[/tex] = [tex]r^{2}[/tex]

14.3 = [tex]r^{2}[/tex]

r = 3.8

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