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2 years ago

Find the length of FV

Mathematics

2 answers:

Anna [14]2 years ago

6 0

Answer:

72.47

Step-by-step explanation:

FV cos 43 = TV

FV (0.73135370161 ) = 53

FV = 72.468 = 72.47

QveST [7]2 years ago

4 0

Answer:

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos43° = $\frac{adjacent}{hypotenuse}$ = $\frac{TV}{FV}$ = $\frac{53}{FV}$ ( multiply both sides by FV )

FV × cos43° = 53 ( divide both sides by cos43° )

FV = $\frac{53}{cos43}$ ≈ 72.47 ( to 2 dec. places )

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