Geometry Module 3, Topic A, Lesson 4

Girl in Library

Student Outcomes

  • Students use inscribed and circumscribed polygons for a circle (or disk) of radius r and circumference C to showthat the area of a circle is 1/2Cr or as it is usually written, πr2.

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Common Core Learning Standards

CCLS State Standard
G.GMD.1 Give an informal argument for the formulas for the circumference of a circle, area of a circle,...

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