crossed ladders problem
A geometric puzzle involving calculating the width of an alley based on the height at which two ladders cross when propped diagonally across it.
simple past tense and past participle of sloth
present participle of undersleep
(US, taxation) A form reporting one's compensation as an employee during a year at an employer or personal income taxation.
はしごが斜めに立てかけられて交差する高さから路地の幅を求める幾何学パズルを解くために、彼女は二本のはしごが交差する高さを測り、相似な三角形を使って路地の幅を計算した。
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