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vampirchik [111]
3 years ago
13

The radius of a circle is 20cm. What is its area? ( ratio= 3.14) ​

Mathematics
2 answers:
Musya8 [376]3 years ago
6 0

Answer:

A=100π=314.16 cm 2 to 5 significant figures

Step-by-step explanation:

stiv31 [10]3 years ago
5 0

Answer:

area =πr²

3.14 x 20 x 20

area=1256cm²

Step-by-step explanation:

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