Answer:
how do we find the value of x and y if there's no equation so please write your question
Since, I could not answer your last question, I have tried to explain <u>WHY</u><u> </u><u>SUM</u><u> </u><u>OF</u><u> </u><u>CO</u><u> </u><u>INTERIOR</u><u> </u><u>ANGLE</u><u> </u><u>IS</u><u> </u><u>180</u><u>°</u>
Step-by-step explanation:
Blah blah blah...
(x)²+(y)²=0
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