Question

find the circumference of each of the circle with the following radius 10 cm
2.7 CM
1.2 mm
9.01 CM

Answer 1

Circumference
10cm = 62.85cm
2.7cm = 118.8cm
1.2mm= 52.8mm
9.01cm= 396.44cm

Answer 2

Circumference of a circle
$2\pi r$
2*22/7*10=62.8571429cm

2*22/7*2.7=16.971cm

2*22/7*0.1 2(1mm =0.1cm 1.2*0.1)= 0.754cm

2*22/7*9.01=56.634cm
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