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Mathematics, 09.01.2020 00:31 NickWinston8712
Consider the case of a triangle with sides 5, 12, and the angle between them 90°.
a. what is the easiest method to find the missing side?
b. what is the easiest method to find the missing angles?
c. can you use the law of cosines to find the missing side? if so, perform the calculations. if not, show why not.
d. can you use the law of cosines to find the missing angles? if so, perform the calculations. if not, show why
not.
e. consider a triangle with sides a, and the angle between them 90°. use the law of cosines to prove a wellknown theorem. state the theorem.
f. summarize what you have learned in parts (a) through (e).
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Answers: 2
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Consider the case of a triangle with sides 5, 12, and the angle between them 90°.
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