This expression is a perfect square trinomial. It has two answers but they don't have to be different. In this case it has to be the same - because it is a perfect square trinomial.
Answer:
10= 275
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11=
a 6
b 4
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12= 35
Step-by-step explanation:
I’m not sure, but I think you divide 360 by each one of those angles.
The answer may be c but if not i am super sorry!!
