2 years ago

8.) cos D A B C D 6 8

Mathematics

1 answer:

vagabundo [1.1K]2 years ago

6 0

Using Pythagorean theorem, we can find that DG is 10.(I don't think I need to explain this)

Now cosD means the adjacent side over the hypotenuse.

The side adjacent to <D is 6 and the hypotenuse is 10 so

cosD=6/10=3/5

Which means the correct answer is choice D.

Hope this helped!

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