The circumference of a circle exceeds the diameter by 16.8 cm. Find the radius of the circle.
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3
C-d=16.8
2πr-2r=16.8
2×3.14×r-2r=16.8
6.28r-2r=16.8
r(6.28-2)=16.8
r(4.28)=16.28
r=16.28÷4.28
r=3.80cm
2πr-2r=16.8
2×3.14×r-2r=16.8
6.28r-2r=16.8
r(6.28-2)=16.8
r(4.28)=16.28
r=16.28÷4.28
r=3.80cm
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