# geometry

The endpoints of the diameter of a circle are at (1,2) and (7,-6). What is the circumference of the circle, to the nearest tenth of a unit.

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3. 👁 446
1. the length of the diameter is

√((7-1)^2+(-6-2)^2) = 10

Now you can find the circumference, right?

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2. 31.4

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