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Burka [1]
3 years ago
9

I need answer correct ASAP Please!!!

Mathematics
2 answers:
Brums [2.3K]3 years ago
7 0

Answer:

cos(m∠B) = 2√5/5

Step-by-step explanation:

Easiest way is to guess and check on this problem. When you take the cos(m∠B), you would get 6/3√5, rationalized to 2√5/5. That would be the correct answer.

ELEN [110]3 years ago
4 0

Answer:

Option 1

Step-by-step explanation:

Cos B = \frac{adjacent}{hypotenuse}

<u><em>Where adjacent = 6, Hypotenuse = 3√5</em></u>

Cos B = \frac{6}{3\sqrt{5} }

Cos B = \frac{2}{\sqrt{5} }

Cos B = \frac{2\sqrt{5} }{5}

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