3 years ago

Find the value of x. Round the length to the nearest tenth.

Mathematics

2 answers:

qaws [65]3 years ago

8 0

Answer:

Step-by-step explanation:

Use cosine

$cosine=\dfrac{adjacent}{hypotenuse}$

We have

$adjacent=x\\hypotenuse=10ft\\\alpha=44^o\to\cos44^o\approx0.7193$

Substitute:

$0.7193=\dfrac{x}{10}$ <em>multiply both sides by 10</em>

$x=7.193\to x\approx7.2\ ft$

navik [9.2K]3 years ago

4 0

cos44° = x/10

x = 10cos44° = 7.2ft

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