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Gre4nikov [31]
3 years ago
8

Will mark brainliest.

Mathematics
2 answers:
Alinara [238K]3 years ago
7 0
3. FCE, DCE
4. BCF

supplementary angle = 180 degrees total.
complementary angle = 90 degrees total
snow_lady [41]3 years ago
3 0

Answer:

1.  FCE, ED   2. FCB

explanation:

Supplementary angles are two angle that when added together, equal 180°.

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