AC = 13 in the image shown. Is BC tangent to circle A?
No, because 52 + 122 = 132
Yes, because 52 + 122 = 132
No, because 52 + 122 +132
Yes, because 52 + 122 #132
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A line through a point on a circle is tangent at the point if it is perpendicular to the radius drawn to the point of tangency. The Pythagorean Theorem only works for right triangles.
