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shusha [124]
4 years ago
6

Please Help!! I've given 20 points!!!

Mathematics
2 answers:
o-na [289]4 years ago
7 0
The circle degree is 360 
we will work only in the first part wich means
360 divided by two is 180 
so we will apply a first easy degree  equation 
<span>15 + x + 2x + 120 - 2x = 180
</span>135 + X = 180
 X = 45
and then you will replace 
2X =90
120-2x=180
X=30
Serhud [2]4 years ago
6 0
15 + x + 2x + 120 - 2x = 180
x + 135 = 180
x = 180 - 135
x = 45

** all ur angles, when added together, make a straight line and are therefore equal to 180 degrees
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