Investigating Mathematics with C.a.R.

Henrico County Public Schools

Construct a parallel segment whose midpoint is on a circle.

READ the instructions on the right and INTERACT with the C.a.R. applet below.

Investigation Steps

Given: Two radials (a and b), from the center of a circle, and a line r,

construct a line parallel to r such that the midpoint of its intersections with a and b lies on the circle.

Hint: Construct a median to a side of the triangle.