鈍角 どんかく三角 さんかく けい
don kakusanka kukeide

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 鈍角三角形

1. Obtuse triangle with/in/by. ; ; Connecting clauses with obtuse triangles.; Requesting something with obtuse triangles.; Chaining actions with obtuse triangles.

Te-Form