Angle sum of a quadrilateral

Author:mathstobie, amylava

Students move the points around to investigate the angle sum of a quadrilateral. There is also an option to show whether the quadrilateral is convex or concave.

New Resources

Mandelbrot
Basic and Compound Inequality Illustrator
Modifiable Right Triangular Prism
繪畫垂直線
Rossler's Attractor

Discover Resources

Dissection Puzzle #2
Algebra balance scales
Modul20F_Vina Lusiana_SMAI NFBS Lembang
Properties of Parallelograms 2
Dot Product2

Discover Topics

Histogram
Arithmetic Mean
Interest Calculation
Median Value
Subtraction