不等 ふとう へん三角 さんかく けいじゃありませんでした
futo uhensanka kukeijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 不等辺三角形

1. It was not an isosceles triangle.; It wasn't an isosceles triangle.

Past/Perfective
Negative
Polite
Terminal Form
Geometry