obtuse triangle

Noun

(geometry) A triangle one of whose angles is obtuse.

Japanese Meaning

鈍角三角形

The obtuse triangle in the diagram has one angle measuring 120 degrees, which requires a different trigonometric approach.

図の鈍角三角形は1つの角が120度で、三角法による通常の解法とは異なる考え方が必要です。

Sense（1）

(geometry) A triangle one of whose angles is obtuse.

obtuse triangles

（ plural ）