find x
please help me it's urgent
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Answer:
x is equal to 30 degrees
Step-by-step explanation:
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Answered by
0
Answer:
120 = 90 degree + x
120-90 =x
x = 30
Step-by-step explanation:
by the theorem:
if a side of a triangle is produced, then the exterior angle so formed is equal to the sum of two interior opposite angles
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