How many angles are there?

Students will typically say BAC, CAB. Explore if they are different angles

Prompt for measurement of the angles. Use the 
opportunity to discus clock-wise and counter-clockwise measurement

Author- Shriranjani, IT for Change, Bengaluru
License- CC BY SA 4.0

A = (7.5636363636363635, 2.534545454545456)
B = (12.09090909090909, 2.534545454545456)
f = Segment(A, B)
C = (5.927272727272728, 5.570909090909092)
g = Segment(A, C)
α = Angle(B, A, C)
Curve(x) = ?

Tool: SquareTool
Tool2[ <Number>, <Point> ]
Input: side, A
Output: poly1

B = Point(Circle[A, side])
a = Segment(A, B)
c = Circle(A, side)
b = OrthogonalLine(A, a)
C = Intersect(c, b, 2)
d = Circle(C, side)
e = OrthogonalLine(C, b)
D = Intersect(d, e, 1)
poly1, a_1, b_1, d_1, c_1 = Polygon(A, B, D, C)