Question

Find the circumference of a circle to the nearest tenth with the points (–10, –10) and(–3, 8) as the endpoints of a diameter. Round your answer to the nearest tenth.

Answer 1

The length of the diameter is √(7^2+18^2) = √373
so the radius is 1/2 √373
C = 2πr = √373 π

Answer 2

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