Angles Inscribed in a Semicircle - Law of Thales

Author:Trowell, Sandra, Accesscd, Hannah Ingham

Angle APB intercepts a semicircle. Drag points A to change the orientation of the semicircle. Drag point P to change the angle.

1.

Angle APB intercepts a semicircle. Drag points A to change the orientation of the semicircle. Drag point P to change the angle. Does the measure of the angle APB ever change? What might be generalized about an angle that intercepts a semicircle?

New Resources

JLA Copy of ANSHS_BascoAlyana
Nobody Likes to Be a Semicircle
JLA Harry Potter
Ogee Arch - Construction
JLA Portrait

Discover Resources

cubic graphs in different forms
Vector Fields
Exercise 2: Algebraic Equations Gr9
Oblation

Discover Topics

LCM and GCD
Upper and Lower Sum or Riemann Sum
Integers
Rotation
Mode