# (Possibly) dumb question about a circle. **URL:** \ **Category:** Factual Questions\ **Created:** [January 18, 2013, 3:42am UTC](https://boards.straightdope.com/t/possibly-dumb-question-about-a-circle/647583 "2013-01-18T03:42:28Z")\ **Posts on this page:** 2\ **Page:** 2
**Author:** ![Chronos](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/chronos/32/134_2.png) [@Chronos](https://boards.straightdope.com/u/Chronos)\ **Post date:** [January 19, 2013, 5:45pm UTC](https://boards.straightdope.com/t/possibly-dumb-question-about-a-circle/647583/21 "2013-01-19T17:45:14Z")
You could also define a circle as a closed curve of constant curvature and a given length. This might be useful if, for instance, you’re manufacturing hoops by bending rods of some material until the ends come together. ---
**Author:** ![Saffer](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/saffer/32/6440_2.png) [@Saffer](https://boards.straightdope.com/u/Saffer)\ **Post date:** [January 20, 2013, 2:45pm UTC](https://boards.straightdope.com/t/possibly-dumb-question-about-a-circle/647583/22 "2013-01-20T14:45:22Z")
> [@hibernicus](#): > > Yes. > > Yes. > > Understandable. It’s analogous to the question “Is an apple a fruit? Or is an orange a fruit?” > > You can have a separate discussion about which is more “fundamental”. An orange is a more “fundamental” fruit than an apple. An apple is a false fruit. > **[Accessory fruit](https://en.wikipedia.org/wiki/Accessory_fruit)** > > An accessory fruit is a fruit that contains tissue derived from plant parts other than the ovary. In other words, the flesh of the fruit develops not from the floral ovary, but from some adjacent tissue exterior to the carpel (for example, from receptacles or sepal). As a general rule, the accessory fruit is a combination of several floral organs, including the ovary. In contrast, true fruit forms exclusively from the ovary of the flower. > Accessory fruits are usually indehiscent, meaning that th... couldn’t help myself, sorry. ☹ [Previous page](https://boards.straightdope.com/t/possibly-dumb-question-about-a-circle/647583.md?page=1)