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n200080 [17]
3 years ago
8

Please help ASAP 20 points

Mathematics
2 answers:
joja [24]3 years ago
8 0

Answer:

2 I took the test it's right

vitfil [10]3 years ago
7 0

Answer:

2

Step-by-step explanation:

I took the test

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Answer:

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Step-by-step explanation:

see the attached figure to better understand the problem

Applying the law of cosines

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substitute the given values

m^2=21^2+12^2-2(21)(12)cos(62^o)

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