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Чотирикутники

TermDefinition
Чотирикутник фігура, що складається із чотирьох точок і чотирьох відрізків, які послідовно їх сполучають
Паралелограм чотирикутник, у якого протилежні сторони попарно паралельні
Прямокутник паралелограм, у якого всі кути прямі
Ромб паралелограм, у якого всі сторони рівні
Квадрат прямокутник, у якого всі сторони рівні
Трапеція чотирикутник, у якого дві сторони паралельні, а дві інші не- паралельні
Created by: Віточка
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