Answer:
3
Step-by-step explanation:
The external angle is equal to the sum of the opposite internal angles.
.. 6x +1 = (2x +10) +79
.. 4x = 88 . . . . . . . . . . . . . subtract 2x+1
.. x = 22
Three values that would make this true:
5
4
3
Answer:
63
Step-by-step explanation:
hhehehehhehehehehh hope this helps