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jessiesec
 2 years ago
Find the circumference and the area of a circle with a radius of 11.2 cm. Round to the nearest tenth.
jessiesec
 2 years ago
Find the circumference and the area of a circle with a radius of 11.2 cm. Round to the nearest tenth.

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Mimi_x3
 2 years ago
Best ResponseYou've already chosen the best response.1well do you know the formula for the circumference of a circle

jessiesec
 2 years ago
Best ResponseYou've already chosen the best response.0not really. I've never really been good at this.

Mimi_x3
 2 years ago
Best ResponseYou've already chosen the best response.1okay so a circum of a circle is \(C = 2\pi r\)

Mimi_x3
 2 years ago
Best ResponseYou've already chosen the best response.1\(r\) is given so you sub it into the formula; and calculate

Mimi_x3
 2 years ago
Best ResponseYou've already chosen the best response.1nb: area of a cirlce is \(A = \pi r^2\)

jessiesec
 2 years ago
Best ResponseYou've already chosen the best response.0Ok. I think I got it now. Thank you!
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