joshnjenje
joshnjenje
07-12-2020
Mathematics
contestada
Man how do i do this
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ummmheyyall
ummmheyyall
07-12-2020
the answer is x=3!!!!!!!!!!!!!!
Answer Link
kristawickel
kristawickel
07-12-2020
7x+18+90+51= 180
7x+159=180
7x=180-159
7x=21
X=21/7
X=3
7(3)+18=
21+18=
39°
Then check by adding 90°+51°+39°=180
Since that adds up to 180° x=3
Answer Link
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