Asked by katy

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.

Answers

Answered by Steve
the length of the diameter is

√((7-1)^2+(-6-2)^2) = 10

Now you can find the circumference, right?
Answered by Anonymous
31.4
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