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UkoKoshka [18]
3 years ago
9

Help I don't have a clue on what to do

Mathematics
1 answer:
katen-ka-za [31]3 years ago
7 0
#18 Supplementary means two angles add up to 180 degrees. Angles JHF
#19. Complementary means two angles that add up to 90 degrees. Angles GHF
#20. Adjacent means two angles that have a common side and vortex that's why it does not work. 

Hope this helps :)
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