Examine the angle in the semi-circle using a slider.
Examine the angle in the semi-circle using the Animation tool.
Examine sum of opposite pairs of angles using the Expression tool.
Create the sequence of Triangle Numbers using an explicit definition, and graph the first 12 terms.
Create an arithmetic sequence, then a geometric sequence, also finding the sums of the GP.
Create the Fibonacci Sequence, graph the first 10 terms and find the ratio of conscutive terms.
Construct and solve triangle ABC given two sides and the included angle.
Construct and solve triangle ABC given two sides and a non-included angle.