Instructional Video

Khan Academy: Proof: Radius Is Perpendicular to a Chord It Bisects

Curated by ACT

Sal proves that if a radius in a circle is drawn so it bisects a chord, then the radius is also perpendicular to that chord. The proof uses SSS congruence.

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CCSS: Adaptable
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khan academy, khan academy: proof: radius is perpendicular to a chord it bisects, inscribed circles
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
Common Core
HSG-C.A.3