Answer:
This is an exact copy of the ∠A
Step-by-step explanation:
Answer:
Nebula
Step-by-step explanation:
It should have about 186 or 187
Answer:
Step-by-step explanation:
a²+b²-c²+2ab
=a²+b²+2ab-c²
=(a+b)²-c²
=(a+b+c)(a+b-c)
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