Предмет: Математика, автор: dybonosova37

Периметр равнобедренного треугольника равен 28 см,а боковая сторона 10 см.Найдите основание треугольника

Ответы

Автор ответа: pro100vesna
0
10+10+х=28(т к равнобедренный треугольник то боковые ребра равны
20+х=28
х=8(основание)
Автор ответа: Аноним
0
так как теугол. равнобедр. то две боковые стороны по 10 будет =20см а основание будет равно 28-20=8
Автор ответа: dybonosova37
0
т.к. треугольник равнобедренный, то боковые стороны равны.
10+10 = 20 см -сумма боковых сторон.
т.к. периметр- это сумма всех сторон треугольника, то
28-20 = 8 см- равно основание
ответ: 8 см?
Автор ответа: Аноним
0
молодец
Автор ответа: dybonosova37
0
Спасибо вам за помощь я поняла)
Автор ответа: Аноним
0
так будет правильно это на +5
Автор ответа: dybonosova37
0
:)
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