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welinsson
@welinsson
October 2021
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UMA ESCADA ROLANTE MOSTRADA NA FIGURA A SEGUIR
( A ) 5,5 M
( B ) 4,5 M
( C ) 6,5 M
( D ) 7,0 M
( E ) 5,0 M
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MATHSPHIS
Verified answer
O ângulo da base é 30°
Logo podemos aplicar a relação do seno:
sen 30° = h/10
0,5 = h / 10
h = 0,5 x 10 = 5 m
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Verified answer
O ângulo da base é 30°Logo podemos aplicar a relação do seno:
sen 30° = h/10
0,5 = h / 10
h = 0,5 x 10 = 5 m