27gmiller 27gmiller

11-04-2022
Mathematics

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Find the area of a circle with a radius of 21 inches. Use 22/7 for pi .

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TillyMatilda TillyMatilda

11-04-2022

Answer:

okay so the area is 1386inches2

Step-by-step explanation:

[tex]area \: of \: a \: circle = \pi {r}^{2} \\ = \frac{22}{7} \times {21}^{2} \\ = \frac{22}{7} \times 441 \\ = 1386 {inches}^{2} [/tex]

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