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PLEASE HELP!!

Triangle not drawn to scale
Given: m & B = 18°, b = 9, and c = 20. Find
m & Co to nearest whole number.

PLEASE HELP!! Triangle not drawn to scale Given: m & B = 18°, b = 9, and c = 20. Find-example-1
User Jlmt
by
3.6k points

1 Answer

3 votes

Answer:

43°

Explanation:

Calculating for the measure of angle C using

sine rule


(sin18)/(9) = (sinc)/(20) \\ sinc = (sin18 * 20)/(9) \\ sinc = 0.6867 \\ c = \csc(0.6867) \\ c = 43.3869 \\ c = 43 \: degrees

User Zaman Afzal
by
3.6k points