Answer:
A 50º
Explanation:
sum of the interior angle of a triangle = 180º
⦣1 = ⦣2
⦣1 and⦣2 = 180º - 80º = 100º
100º/2 = 50º
Your answer already :) aka 50 degrees
The next two angles are the same so just do 180-80 (100) then 100/2 and get 50 :]
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