Answer:
x= 41 degrees
Step-by-step explanation:
We know that 76+63+x= 180 degrees, so 139+x= 180
If you rearrange it, it becomes x= 180-139 or x= 41 degrees
The answer is 41
This a a supplementary angles that add up to 180°. Therefore, if we had this in the equation we get 180° ---> 76 + 63 + 41 =180
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