3 years ago

Please help!! i need this done before tonight

Mathematics

1 answer:

Mashutka [201]3 years ago

4 0

Answer:

73.3

Step-by-step explanation:

cos 39=(57/x)

x=57/cos 39

= 73.345=73.3

cos x =adjacent/hypotenuse

adjacent is side where angle is subtended

hypotenuse is the longest side of the triangle

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