3 years ago

What does this mean: almost concentric circle

1 answer:

5 0

Concentric circles are circles with a common center. The region between two concentric circles of different radii is called an annulus. Any two circles can be made concentric by inversion by picking the inversion center as one of the limiting points.

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Where on earth would physical weathering from temperature changes be most common and least common ?

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3 years ago

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dsp73

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