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Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency

Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency
Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency
Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency
Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency
Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency
Proof that a Radius is Perpendicular to a Tangent Line at the Point of Tangency
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192 KB|34 pages
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Product Description
This 34-slide PowerPoint presentation demonstrates, both graphically and analytically, one proof of the theorem that "A radius of a circle is perpendicular to a tangent line at the point of tangency."

This slide presentation shows a step-by-step proof using coordinate geometry, slope of a line, graph of a circle, y-intercept, solving algebraic equations by substitution, the FOIL method, simplifying and factoring a polynomial, and finding the slope of a perpendicular line.

As such, the presentation and proof bring together fundamental concepts of both Geometry and Algebra.
Total Pages
34 pages
Answer Key
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