Question

①this diagram was created by starting with points a and b and using only straightedge and compass to construct the rest. all steps of the construction are visible. describe precisely the straightedge and compass moves required to construct the line cd in this diagram.

Explanation:

Step1: Place compass on A, draw arc.

Set compass width, draw arc.

Step2: Place compass on B, draw arc.

Same - width arc intersects first.

Step3: Use straightedge.

Connect intersection points for CD.

Answer:

Steps described above for constructing line CD.