Math, asked by TheW6rst, 9 months ago

L'aire d'un cercle est de 314 cm². Si π = 3,14, alors son diamètre est: (A) 100 cm (B) 50 cm (C) 20 cm (P) 10 cm

Answers

Answered by mechie88

1

Step-by-step explanation:

314 =π/4*d^2

=> 314= 3.14/4*d^2

d= ✓400 => d = 20 cm

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