Предмет: Математика, автор: nadezdakolesnikova

Площадь трапеции равна 60 см², высота 6 см, а одно из оснований больше другого на 4 см. Найди основания трапеции.

Ответы

Автор ответа: Udinph37

S= 60 см h = 6 см² Пусть х это одно из оснований трапеции (х+4) см следует, что: 1/2(х+(х+4))*6 = 60 1/2(2х+4)*6=60 (х+2)*6 =60 х+2=10 х=8 см одно основание трапеции 8+4 = 12 см

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