Find x to the nearest tenth.
A. 0.7
B. 1.0
C. 1.1
D. 1.4
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Answer:
D
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos33° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{1.2}{x}[/tex]
Multiply both sides by x
x × cos33° = 1.2 ← divide both sides by cos33°
x = [tex]\frac{1.2}{cos33}[/tex] ≈ 1.4 ( to the nearest tenth ) → D