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84
complement: 90 - A A=angle 1/5 x (A) + 6 = (90 - A) 1/5 x A = 84 - A 1/5 x A + A = 84 6/5 x A = 84 6 A = 420 A = 70 degrees
1/4 of 84 is 21.
Any of the Following: 84*1=84 42*2=84 28*3=84 21*4=84 14*6=84
A fifth can be expressed as 1/5.