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Elodia [21]
3 years ago
14

GEOMETRY! Show your work, please.

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
3 0

Answer:

54°

Step-by-step explanation:

m\angle CDE =  \frac{1}{2}  \{237 \degree - (360 \degree -237 \degree ) \} \\  \\  =   \frac{1}{2}  \times \{237 \degree - 123 \degree  \}  \\  \\  =  \frac{1}{2}  \times 114 \degree \\  \\  = 54 \degree \\  \\  \huge \red{ \boxed{ \therefore \: m\angle CDE =54 \degree}}

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