pguimoye pguimoye

13-04-2020
Mathematics

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Find the difference in diameters between the two circles shown. Round to the nearest hundredth if needed.

Find the difference in diameters between the two circles shown Round to the nearest hundredth if needed class=

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pawanbastakoti681 pawanbastakoti681

13-04-2020

Here,

In the bigger circle,

Circumference(C)=21.6in

or,2πr=21.6

or,2×3.14×r=21.6

or, r=21.6/6.28

therefore,r=3.43

d=2×r

d=6.87

In the smaller circle,

r=2.3in

d=4.6in

Difference od radius=6.87-4.6

=2.27 in

=2.3in

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