Respuesta :

Priso
The equation for circumference is diameter x pi or 2 x radius x pi
Therefore,

1) 2x5x3.14=31.4 Cm

2) 9x3.14=28.26=28.3 Cm (nearest tenth)

3) 2x5.6x3.14=35.168= 35.7 yards (nearest tenth)

4) 25x3.14=78.5mm


Hope that helps!

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