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Keith_Richards [23]
2 years ago
7

I really need help on this question.!

Mathematics
1 answer:
IrinaVladis [17]2 years ago
4 0

Answer:

b = 135 \\ a + c = 45(ie \: 180 - 135)  \\ a =  \frac{45}{2}  \\ a = 22.5

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