Triangle Exterior Angle Sum Theorem

Author:GreenMaths

Move the sliders what do you notice about the exterior angle and the interior opposite angles. you can move the sliders back and drag the points to change the shape of the triangle.

New Resources

Limaçons
Involute of the Circle
分數化百分數：練習
Adding Decimal Numbers and Shortest Path Strategies
Graphing 1 + cos(θ) in Polar Coordinates

Discover Resources

Exercise 3.9.17
Hot Mess
tangent to a circle
Graph 1, Piece wise function Alex Easton
Integral sin(x)

Discover Topics

Dilation
Parallelogram
Fractal Geometry
Parametric Curves
Random Variables