How to make this equation standard

[From: ] [author: ] [Date: 12-04-04] [Hit: ]

A circle that has center at (4,6) and a point on the circle (16,11)?

use distance formula:
r² = (4 - 16)² + (6 - 11)²
= 169
then plug into standard form:
(x - 4)² + (y - 6)² = 169

♣♦

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