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平面三角法 (heimensankakuhou) Japanese meaning | Kotomora

平へい面めん三さん角かく法ほう

へ

い

め

ん

さ

ん

か

く

ほ

う

Meanings

1

planar trigonometry

Technical term in mathematics, referring to trigonometry on a flat plane as opposed to spherical trigonometry.

平へい面めん三さん角かく法ほうでは、三さん角かく形けいの内ない角かくの和わは180度ど

で

ある

。

In planar trigonometry, the sum of the interior angles of a triangle is 180 degrees.

Kanji

平even, flat, peace
面mask, face, features
三three
角angle, corner, square
法method, law, rule

Related words

球きゅう面めん三さん角かく法ほう
Spherical trigonometry, dealing with triangles on a sphere, as opposed to planar trigonometry.

Built from

平へい面めん+三さん角かく法ほう

Etymology

Compound of 平面 (plane) + 三角法 (trigonometry).