3 years ago

Find Cos b in the triangle

Mathematics

1 answer:

egoroff_w [7]3 years ago

8 0

Answer:

3/5

Step-by-step explanation:

SOHCAHTOA

Cos- adjacent/hypotenuse

adjacent side: 3

hypotenuse: 5

adj/hyp: 3/5

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$\frac{x\cdot \:3}{4\left(x+21\right)}=10.5$

$\mathrm{Multiply\:both\:sides\:by\:}4\left(x+21\right)$

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<h3>hope it helps...</h3><h3>have a great day!!</h3>

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