とう へん三角 さんかく けい
ni tōhensanka kukeide

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 二等辺三角形

1. Isosceles triangle with/in/by.; Connecting clauses with isosceles triangle.; Requesting something involving an isosceles triangle.; Chaining actions with an isosceles triangle.

Te-Form
Geometry