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Геометрія

означення геометричних фігур та їх властивості

QuestionAnswer
Паралелограм - це... Чотирикутник у якого протилежні сторони паралельні.
Прямокутник - це.. Паралелограм, у якого всі кути прямі.
Ромб - це ... Паралелограм, у якого всі сторони рівні.
Квадрат - це ... Прямокутник, у якого всі сторони рівні. Ромб, у якого всі кути прямі.
Властивість сторін паралелограма: протилежні сторони рівні.
Властивість кутів паралелограма: протилежні кути рівні.
Властивість діагоналей паралелограма: діагоналі перетинаються і точкою перетину діляться пополам.
Властивість діагоналей прямокутника: діагоналі рівні.
Властивість діагоналей ромба: Діагоналі взаємно перпендикулярні і є бісектрисами його кутів.
Created by: anastasij
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