Geometry Module 5, Topic E, Lesson 20

Group Work

Student Outcomes

  • Students show that a quadrilateral is cyclic if and only if its opposite angles are supplementary.
  • Students derive and apply the area of cyclic quadrilateral ABCD as 1/2 AB·CD·sin(w) where w is the measure of the acute angle formed by diagonals AB and CD.

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Common Core Learning Standards

CCLS State Standard
G.C.3 Construct the inscribed and circumscribed circles of a triangle, and prove properties of angles for...

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