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Solve for x. Give the answer as an exact value.
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Solve for x. Give the answer as an exact value.

Solve for x. Give the answer as an exact value.-example-1
User Casimir
by
7.3k points

1 Answer

4 votes

Answer:

x = 12
√(2)

Explanation:

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

cos45° =
(1)/(√(2) ) , then

cos45° =
(adjacent)/(hypotenuse) =
(12)/(x) =
(1)/(√(2) ) ( cross- multiply )

x = 12
√(2)

User Omid Karami
by
7.7k points
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