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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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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?

User Matt Fletcher
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1 Answer

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

Radius=√(5²+1²)=√26
User Sodik
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