Difference between revisions of "1978 AHSME Problems/Problem 28"
(Created page with "== Problem 28 == <asy> size(100); import cse5; pathpen=black; pair A1=(0,0), A2=(1,0), A3=(0.5,sqrt(3)/2); D(MP("A_1",A1)--MP("A_2",A2)--MP("A_3",A3,N)--cycle); pair A4=(A1+A...") |
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Latest revision as of 14:27, 20 June 2021
Problem 28
If is equilateral and is the midpoint of line segment for all positive integers ,
then the measure of equals
Solution