四角形
しかくけい
quadrilateral; quadrangle; tetragon
Meanings
Noun
quadrilateral; quadrangle; tetragon
Example sentences
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A parallelogram is a quadrilateral formed from two sets of parallel lines.
正方形は4つの辺がすべて等しく、4つの角がすべて直角である四角形です。
A square is a quadrilateral with four sides the same and where all four corners are right angles.
ペパーバーグは2つの物体(例えば、緑色の四角形と赤い四角形)をみせて「違いは何?」と問いかけることができる。
Pepperberg can show Alex two objects (for example, a green square and a red square) and ask, "What's different?"