+68 What is the circumference of the circle with center at P and passing through Q? Express your answer in terms of \pi.
P = (0,0) and Q = (1,1).
+2684
What is the circumference of the circle with center at P and passing through Q? Express your answer in terms of \pi.
P = (0,0) and Q = (1,1).
The diagonal line from the origin to (1,1) is sqrt(2) long.
Since that's a radius, the diameter would be 2 • sqrt(2).
Circumference = 2 π sqrt(2)
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