Answer:
x = √(40² + 22² - 2(40)(20)cos55)
x = 32.78m
cos∅ =
∅ =
∅ = 125.10°
1. I solved it using the formula SAS (side angle side) and SSS (side side side) to get the unknown part(s).
2. It really did help since it indicates on what formula to use on the problem.
Step-by-step explanation:
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Answers & Comments
Answer:
x = √(40² + 22² - 2(40)(20)cos55)
x = 32.78m
cos∅ =![\frac{12^{2}+15^{2} - 24^{2} }{2(15)(10)} \frac{12^{2}+15^{2} - 24^{2} }{2(15)(10)}](https://tex.z-dn.net/?f=%5Cfrac%7B12%5E%7B2%7D%2B15%5E%7B2%7D%20-%2024%5E%7B2%7D%20%7D%7B2%2815%29%2810%29%7D)
∅ =![cos^{-1}( -0.575) cos^{-1}( -0.575)](https://tex.z-dn.net/?f=cos%5E%7B-1%7D%28%20-0.575%29)
∅ = 125.10°
1. I solved it using the formula SAS (side angle side) and SSS (side side side) to get the unknown part(s).
2. It really did help since it indicates on what formula to use on the problem.
Step-by-step explanation: