3 years ago

PLEASE HELP ASAP GEOMETRY 20 POINTS REAL ANSWERS ONLY!

1 answer:

8 0

Answer:

16.2

Step-by-step explanation:

Use the law of cos

c^2 = 8^2+10.4^2-2*8*10.4*cos(122.2 degrees)

=260.83

c = √260.83 = 16.15

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$\boxed{\sf Average=\dfrac{Sum\:of\:terms}{No\:of\:terms}}$

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