3 years ago

Find cos B. I need more words

Mathematics

1 answer:

densk [106]3 years ago

6 0

Answer:

9/41

Step-by-step explanation:

(refer to to attached diagram)

In our case,

Cos B

= adjacent length / hypotenuse

= BC / AB

= 18 /82 (divide numerator and denominator by 2)

= 9/41

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