Предмет: Математика, автор: КаринаКим29

1)Найдите боковую сторону равнобедренного треугольника , если основание в 3 раза меньше боковой стороны , а периметр равен 56 см.
2)Найдите основание равнобедренного треугольника , если его периметр равен 1 м , а боковая сторона - 31,2 см

Ответы

Автор ответа: Cheburechek14
0
Во втором 37 сантиметров...
В первом 24 сантиметра.
Автор ответа: КаринаКим29
0
А как решать?
Автор ответа: Cheburechek14
0
1)x+3x+3x=56(так как периметр треугольника - это сумма длин всех сторон). 7x=56. x=8. 2)8×3=24(см).
Автор ответа: Cheburechek14
0
Во втором:1)31,2×2=63. 2)100(в одном метре сто сантиметров)-63=37(см).
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