Use the figure to answer True or False to the following problems
1. If m?1 = 80°, then m?GBD = 80°
2. ?3 and ?DCF are supplementary
3. If m?3 = 35°, then m?ECF = 35°
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4. D is on EC
5. BC + CE = BE
6. C is the vertex of ?3
7. If in the figure above, DE = 5 and CE = 2, find DC.
1. False
2. True
3. True
4. True
5. True
6. True
7. False
Mathematics
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B. 
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A. 
B. {4}
C. 
D. 
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A. 
B. 
C. 
D. 
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A. No B. Yes
Mathematics