Предмет: Геометрия, автор: pasha200299

помогите решить задачю

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Автор ответа: vbotalygin
0
Косинус угла равен отношению прилежащего катета к гипотенузе. Катет равен 3 (по клеточкам, другой – 4, гипотенуза по теореме Пифагора будет равна 5, значит косинус равен3/5 = 0,6

pasha200299: а где катет?
pasha200299: ну
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