Although circumference and area cover most of the problems on the SAT/ACT, you might also encounter questions involving arc length and chords. Watch the solution to this question to see how to use the information you're given to set up equations you're familiar with, like the pythagorean theorem.
Arcs and Chords - YourTeacher.com - Geometry Help is a free educational video by yourteachermathhelp.It helps students in grades HS practice the following standards HSG.C.A.2.
This page not only allows students and teachers view Arcs and Chords - YourTeacher.com - Geometry Help but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.
1. HSG.C.A.2 : Identify and describe relationships among inscribed angles, radii, and chords. Include the relationship between central, inscribed, and circumscribed angles; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle.