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AC = 12 in the image shown. Is BC tangent to circle A?

1 Answer

5 votes

Answer:

No, because 62 + 92 ≠ 122.

Explanation:

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.

User Master Yoda
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