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I need help ASAP please
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4 votes
I need help ASAP please

I need help ASAP please-example-1
User SyAu
by
6.2k points

1 Answer

5 votes

Answer:

B

Explanation:

Using the cosine ratio in the right triangle and the exact value

cos45° =
(1)/(√(2) ) , then

cos45° =
(adjacent)/(hypotenuse) =
(3)/(c) =
(1)/(√(2) ) ( cross- multiply )

c = 3
√(2)

User Yakoudbz
by
6.0k points
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