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

Function Art 3D - Flower
Squares Question
Slope Illustrator (2)
繪畫垂直線
Odd Function Explorer

Discover Resources

An accumulation function
Probability of Obtuse triangle in a Square
Tìm phần trăm của một số
Resultant Force and Newton's Second Law
Sum of the Interior Angles of a polygon

Discover Topics

Cone
Trapezoid
Limits
Conic Sections
Dilation