Предмет: Математика, автор: Iyyaaa

СРОЧНО ДАМ 100
5. Тікбұрышты үшбұрыштың ауданын тап.
4 см
2 cм
10 см
5 см
8 см
10 см
4 см
8 см

Ответы

Автор ответа: tagaibekaiperne
7

Ответ:

по т. Пифагора

с²=a²+b² ⇒ b²=c²-a²

b²=5²-3²

b²=25-9

b=√16

b=4

Iyyaaa: 3 класс!
kyrgyzbayansar: Привет
bolon4ik23: это правильно???????
mollsoll: Привет
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