相そう似じ比ひ

noun

scale factor; similarity ratio

Mathematics term for the ratio of corresponding lengths in similar figures; used in geometry contexts.

• 相そう似じ比ひが2:1の図ず形けいでは、面めん積せき比ひは4:1になる。

  For figures with a similarity ratio of 2:1, the area ratio becomes 4:1.