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平角 (へいかく) Japanese meaning | Kotomora

平へい角かく

へ

い

か

く

Meanings

1

noun

straight angle

A mathematical term for an angle of 180 degrees. Used in geometry contexts.

平へい角かくは180度どの角かく度どです。
A straight angle is an angle of 180 degrees.

Kanji

平even, flat, peace
角angle, corner, square

Similar words

直ちょっ角かく
直角 is a right angle (90 degrees), while 平角 is a straight angle (180 degrees).
鈍どん角かく
鈍角 is an obtuse angle (greater than 90 degrees and less than 180 degrees), while 平角 is exactly 180 degrees.

Etymology

Compound of 平 (flat, level) and 角 (angle), literally 'flat angle'.