Math 9: Tangents to a Circle

Topic:Circle, Geometry, Tangent Line or Tangent

Note that line segment AB is tangent to the circle at point D. Move Point E around the circle to create a chord that passes through the centre of the circle. What do you notice about the angle?

New Resources

Pythagorean Theorem: Extension Exercises
Function Art 3D - Flower
繪畫垂直線
What Do You See?
Odd Function Explorer

Discover Resources

Fehler erster und zweiter Art
HouseDeck
slope of a tangent to a circle
Circunferência interna
hiperboloide de una hoja

Discover Topics

Frequency Distribution
Logarithm
Mode
Statistical Characteristics
Means