Lines Tangent and Secant to a Circle

Author:Anna

The length of segment a is the distance from the center of the circle to line d. You can change the length of segment a by adjusting the slider. Use the slider and the applet to answer the questions below.

New Resources

Regular Polygons and Equivalent Triangles
Building Triangles with Set Areas
apec
Classifying Triangles
Building Figures with Set Areas

Discover Resources

JaihaLee-36gh78vf
packed conics through triangle perspective grid
Practice
Angles in Circles
Evaluating Tangent

Discover Topics

Stochastic Process or Random Process
Pythagoras or Pythagorean Theorem
Equilateral Triangles
Polygons
Trigonometric Functions