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Vesnalui [34]
2 years ago
6

Someone please answer!!

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
7 0

Answer:

40°

Step-by-step explanation:

180-(57+43)=100°

which mean the angle at the top =100°

180-100=80°

x=80/2

x=40

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x
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=
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+
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x
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1
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