72% as a decimal is 0.72.
72% as a fraction is 72/100 = 18/25.

please mark me as brainlist
I think it may be: 0.66666666666
I only looked it up on the internet.
#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 :)