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Mathematics, 26.06.2020 17:01 cooljazzy1234
Considere um triângulo retângulo, cujos ângulos agudos a e b satisfazem à condição cos a = 0,8 e cos b = 0,6 Determine a área desse triângulo, em cm² sabendo que o comprimento da hipotenusa é 5 cm.
a) 4,5
b) 6
c) 7,5
d) 8
e) 10
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Considere um triângulo retângulo, cujos ângulos agudos a e b satisfazem à condição cos a = 0,8 e cos...
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