Find C. Round to the nearest tenth.
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20 ft)
\22 ft
A 18 ft
B
C = [? ]°
Law of Cosines: c2 = a2 + b2 - 2ab cos C
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the bottom of the spinner is not flat.

step-by-step explanation:

i think 1: 2

step-by-step explanation:

i think it is everything has to equal 180 so, if i correct 4=c. 6=d. 8=a. 7=b. and the last question would be c. because they are parallel lines and they are congruent.

step-by-step explanation:

the reason everything has to equal to 180 is because that is how it works. i'm guessing that is its rule. 4 and 8 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 6 and 7 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 60+60 is 180. so, now you have your answer