Mathematics, 23.08.2019 20:10, Queey

The radius is 5. i found the circumference (31.4, i think, i dunno if i did that right-) ,but i need the area. what is the area?
my math so far:
5 × 2 = 10 = diameter
10 × 3.14 = 31.4

Answers: 2

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The radius is 5. i found the circumference (31.4, i think, i dunno if i did that right-) ,but i need...