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MakcuM [25]
3 years ago
13

Help pleaseee (circles and arcs)

Mathematics
1 answer:
melomori [17]3 years ago
4 0

Answer:

m\ arc\ ABC=270^o

Step-by-step explanation:

we know that

m\ arc\ AC+m\ arc\ ABC=360^o ----> by complete circle

we have

m\ arc\ AC=90^o ----> by central angle

so

substitute in the equation above

90^o+m\ arc\ ABC=360^o

m\ arc\ ABC=360^o-90^o=270^o

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