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  • 01-05-2018
  • Mathematics
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If my radius is 7.8 maters. What is the circumference and area of my circle

If my radius is 78 maters What is the circumference and area of my circle class=

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Аноним Аноним
  • 01-05-2018
Circumference = 2 · π · r   or  π · d

Radius = 7.8

7.8 × 2 = 15.6

15.6 × 3.14(π) = 48.984

Circumference = 48.984 rounded = 49

Area = π · r²

Radius = 7.8

7.8 × 7.8 = 60.84

60.84 × 3.14(π) = 191.0376

Area = 191.0376 rounded = 191

Hope this helped☺☺
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