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28.05.2020 •
Mathematics
I forgot how do to this and need someone to explain it to me.
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Answers on questions: Mathematics
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Ответ:
i tested 132 degrees first bc it seemed reasonable. I did supplementary angles and if angle ACD is 132 then angle ACB had to be 48. because 180-132= 48. Then I added angle a and c together which was 98. And since there are 180 degrees in a triangle I knew that angle b had to be 82 (180-98). Then I solved for x for angle B.
4x+2-2= 82-2
4x=80
4x/4=80/x
x=20
I substitued 20 into 6x+12 later and it was 132, which works. So angle ACD is 132
Step-by-step explanation:
Ответ:
aight once i get my new phone imma add ya
Step-by-step explanation:
U should prolly give me brainliest on this.
< Sarah >