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Kaylis [27]
3 years ago
12

The area of a circle is 286 cm2. Use the π button on your calculator for π in your calculations.

Mathematics
1 answer:
hram777 [196]3 years ago
4 0

Answer:

9.54 cm

Explanation:

area = πr^2

286 cm^2= πr^2

=>πr^2= 286 cm^2

=>r^2= 286÷π

=>r= √286÷π

: 9.54. m

circumference=2πr

=> circumference=2×π×9.54

=60 cm

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