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Turn on the axes, then draw lines AB and BC, where A is at the origin and C lies on the x-axis

Picture 1

Construct the midpoint of BC

Picture 2

Set the lengths of AB and BC...

Picture 3

and the angle between AB and the x-axis

Picture 4

Create the locus of point D as θ varies

Picture 5

Open the numeric panel to animate

Picture 6

Open the symbolic panel to find the equation of the curve

Picture 7 << Back