| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| It's the term for a chord that goes through the center of a circle | a diameter | $200 | J | MATH TERMS | 2020-04-14 | #8202 | |
| The longest chord of a circle, it divides the circle into two equal parts | a diameter | $200 | DJ | MATH | 1990-10-18 | #1409 | |
| Any straight line drawn through the center of a circle from one edge to the other | a diameter | $200 | DJ | MATHEMATICS | 1988-01-06 | #773 | |
| The line that cuts a circle exactly in half | a diameter | $400 | DJ | MATHEMATICS | 1985-02-15 | #115 |