## Tangents and Circles - YourTeacher.com - Geometry Help - Free Educational videos for Students in k-12

#### DESCRIPTION:

Students learn the following theorems related to tangents. If a line is tangent to a circle, then the line is perpendicular to the radius at the point of tangency. If a line is perpendicular to a radius at its outer endpoint, then the line is tangent to the circle. If two tangent segments are drawn to a circle from an external point, then the tangent segments are congruent. Students are then asked to use these theorems to find missing segment lengths and missing angle measures in given figures. Students also learn the definitions of common internal tangents and common external tangents.

#### OVERVIEW:

Tangents and Circles - YourTeacher.com - Geometry Help is a free educational video by yourteachermathhelp.It helps students in grades HS practice the following standards HSG.C.A.4.

This page not only allows students and teachers view Tangents and Circles - YourTeacher.com - Geometry Help but also find engaging Sample Questions, Apps, Pins, Worksheets, Books related to the following topics.

1. HSG.C.A.4 : Construct a tangent line from a point outside a given circle to the circle.

HS

HSG.C.A.4

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