JMET
JMET JMET
  • 10-05-2017
  • Mathematics
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I need help! ASAP!!!

I need help ASAP class=

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Аноним Аноним
  • 10-05-2017

1.B

15x3.14= 47.1

2. 3.2

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FLORC
FLORC FLORC
  • 10-05-2017
Circumference formula: 2πr
Diameter: 2r
1: 15×3.14= 47.1 in
2. AB is radius so use circumference formula to solve for r
20=2πr
20=6.28r
R=3.18 cm or 3.2 cm
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