What is the question? Pls explain
Look at the picture.
The angle y° and 71° are Supplementary Angles. Therefore y° + 71° = 180°.

The sum of measures of these three angles of any triangle is invariably equal to 180°.
Therefore we have the equation:

Answer is
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13 I believe as 31-5=26/2=13 Hope you'll find this helpful
Answer:
5) A= 153
B= 27
6) A= 80
B= 100
7) A=88
B=92
8) A= 30
B= 150
Step-by-step explanation:
if you look closely all the values are equal to those opposite of them
sorry if its wrong