Sum of the angles of a regular polygon
Move the slider to change the encumber of sides in the regular polygon.
Can you find a formula that connects the number of sides of a polygon to the sum of its internal angles?
Transforming a Triangle
Construct the Medial Triangle
Spiral Radicals Maria
Derivative of Basic Logarithmic function
Welker's use of Spry's Task!
Angle between two planes
Solids or 3D Shapes