How do you find the area of a circle with just the radius?

Mathematics

2 answers:

zloy xaker [14]2 years ago

5 0

Answer:

Oh that's easy! You find out what the radius is.. then the diameter is another one of that number. Example say that the radius is 10 then the diameter is 20 or if the radius is 7 the diameter is 14

Step-by-step explanation:

WINSTONCH [101]2 years ago

5 0

Answer:

<h2>Use the formula A = π(r²) where r is the radius</h2>

Step-by-step explanation:

π = pi, and r is the radius. It's the only value you need to find the area of a circle. π is usually represented as 3.14, or you can use the π button on your calculator

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LuckyWell [14K]

Answer:

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Step-by-step explanation:

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The radius of a circular baking tray is 6 cm. Find its area correct to 2 decimal places. Use the π button on your calculator for

ELEN [110]

Answer:

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Step-by-step explanation:

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