Question

The fixed circle on the outside/inside of which the rolling/generating circle rolls is called

Answer 1

Step-by-step explanation:

In geometry, a trochoid (from the Greek word for wheel, "trochos") is a roulette formed by a circle rolling along a line. In other words, it is the curve traced out by a point fixed to a circle (where the point may be on, inside, or outside the circle) as it rolls along a straight line.