US Common Core State Standard Math HSG-C.B.5
Demonstrations 1 - 10 of 10

Description of Standard: Derive using similarity the fact that the length of the arc intercepted by an angle is proportional to the radius, and define the radian measure of the angle as the constant of proportionality; derive the formula for the area of a sector.

 Minimizing the Perimeter of a Sector with Given Area Problems on Circles V: External and Internal Common Tangents Geometric Elements of a Circle Areas of the Lens and Two Lunes of Two Intersecting Circles Minimum Area between a Semicircle and a Rectangle The Area of Part of an Isosceles Triangle Angular Displacement Pairwise Tangent Circles Centered at the Vertices of a Triangle Tangent Chord Angle Angles Measured in Degrees and Radians

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