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Eduardwww [97]
3 years ago
11

I need help with this so can I get help

Mathematics
1 answer:
Mashcka [7]3 years ago
6 0

Answer:

61

Step-by-step explanation:

DCB = 180-ACD = 180-58 = 122

ECB = DCB/2 = 122/2 = 61

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