Multiple choice general knowledge math & puzzles

The curve traced by a point on the rim of a circular wheel as the wheel rolls along a straight line is called:-

  1. Cissoid

  2. Toroid

  3. Astroid

  4. Cycloid

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A cycloid is the specific curve defined by the path of a point on the edge of a rolling circle. An astroid is a four-cusped hypocycloid, a toroid is a surface of revolution, and a cissoid is a curve generated from two other curves and a point.