When graphing inequalities why do you use closed or open dot?
1 answer:
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Answer:
x ≈ 19.7
Step-by-step explanation:
Using the sine ratio in the right triangle.
sin66° = =
( multiply both sides by x )
x × sin66° = 18 ( divide both sides by sin66° )
x = ≈ 19.7 ( to the nearest tenth )