Предмет: Математика, автор: innabut79

Реши задачу:
В треугольнике АВС сторона АВ =53см, сторона ВС на 23 см больше АВ,
а сторона АС на 13 см больше стороны ВС. Найдите периметр треугольника?​

Ответы

Автор ответа: legodgidai32
1

Ответ:

P=53+23+53+23+13+53=218

Автор ответа: kaplepechen
1

Ответ:

1) 53+23=76 см - ВС

2) 76+13=89 см - АС

3) 53+76+89=218 см - Р треугольника

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