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09-03-2017
Mathematics

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A circle has a radius of 7, use 3.14 as pi. What is the circumference?

Respuesta :

09-03-2017

C = 2πr^2
C = 2π(7)^2
C = 2π (49)
π = 3.14

C = 2(3.14)(49)
C = 307.72

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09-03-2017

radius = 7
circumference formula is = 2 × pi × radius
if u say use pi as 3.14......then :

C = 2 × pi × radius
= 2 × 3.14 × 7
= 43.96

I REALLY HOPE IT HELPED YOU !!! :)

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