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HELPPP PLS
Find the value of the variable.

HELPPP PLS Find the value of the variable.-example-1
User Araceli
by
2.9k points

1 Answer

20 votes
20 votes

Answer:

y = 90
√(2)

Explanation:

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

sin45° =
(1)/(√(2) ) , then using the 45° angle on the lower left

sin45° =
(opposite)/(hypotenuse) =
(90)/(y) =
(1)/(√(2) ) ( cross- multiply )

y = 90
√(2)

User Emie
by
2.6k points