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ziro4ka [17]
3 years ago
14

Quadrilateral ABCD is inscribed in circle O if the measure of arc AB is 104 and the measure of arc BC is 88 what is the measure

of ABC?
84

96

168

192
Mathematics
1 answer:
Sholpan [36]3 years ago
7 0

Answer:

84degrees

Step-by-step explanation:

First we need to get the measure of arcCA;

arcCA + arcAB+arcBC =  360

arcCA  + 104 + 88 = 360

arcCA + 192 = 360

arcCA = 360 - 192

arc CA =  168degrees

Also since m<ABC = 1/2 arcCA

m<ABC = 1/2 * 168

m<ABC = 84degrees

Hence the measure m<ABC is 84degrees

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