Triangle Angles

Author:D Shea

Use the sliders to create isosceles and equilateral triangles and explore the relationship between the perpendicular bisector of the base and the angles bisector.

New Resources

Viviani's Window
Introduction
Angles and Intersecting Lines: Quick Investigation
"Compressed" Astroid as Envelope
Play C3 E3 G3 C4_C4

Discover Resources

Stair Stringers
arbre de pythagore base
AXIS
Circles
SV_180828_2

Discover Topics

Right Triangles
Interest Calculation
Volume
Planes
Special Points