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Urgent please help..

Urgent please help..-example-1

1 Answer

6 votes

Answer:

a = 17
√(2)

Explanation:

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

sin45° =
(1)/(√(2) ) , then

sin45° =
(opposite)/(hypotenuse) =
(17)/(a) =
(1)/(√(2) ) ( cross- multiply )

a = 17
√(2)

User Tianran Shen
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