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09-03-2017
Mathematics

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What is the length of the radius of a circle with a center at 2 + 3i and a point on the circle at 7 + 2i?

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09-03-2017

A=2+3i
B=7+2i
AB=B-A=7+2i-(2+3i)=5-i

Radius=√(5²+1²)=√26

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