Answer:

Step-by-step explanation:
we know that
The formula of law of cosines is equal to

where
a, b and c are sides. C is the angle opposite side c
In this problem we have

substitute the given values






The answer for this one is 29 and 13. Hope it help!
Answer:
900m
Step-by-step explanation: if one is 300m then do 300m x 3 =900m.
Hoped this help
Use the concept of Lagrange multipliers.
Answer:
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Step-by-step explanation: