Last Updated：2025/11/29

(mathematics, geometry) An angle that is greater than 90 degrees and less than 180 degrees.

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obtuse angle

Source Word

obtuse angle

(mathematics, geometry) An angle that is greater than 90 degrees and less than 180 degrees.

Japanese Meaning

鈍角

The surveyor measured the obtuse angle between the two roads to plan the new roundabout.

測量士は新しいラウンドアバウトを計画するために、二本の道路の間の鈍角を測定した。

Sense（1）

(mathematics, geometry) An angle that is greater than 90 degrees and less than 180 degrees.

obtuse angles

（ plural ）