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marishachu [46]
3 years ago
7

If m A.140 B.60 C.50 D.40

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer:

140

Step-by-step explanation:

Angle C = 180-A-B

C=180-80-60=40

DCA = 180-Angle C

DCA = 180-40

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