Mathematics
Mathematics, 07.06.2020 00:57, rfultz27

Uma escada que mede 6 m está apoiada em uma parede. Sabendo-se que ela forma com o solo um ângulo a é que cos a =5-3 a distância de seu ponto de apoio no solo até a parede, em metros, é:

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Uma escada que mede 6 m está apoiada em uma parede. Sabendo-se que ela forma com o solo um ângulo a...

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