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Solve it...................................

Solve it...................................-example-1
User Tim Rogers
by
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1 Answer

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a = e = h = 60°
b = d = 180° -60° = 120°
f = j = k = 52°
c = g = 180° -52° = 128°

i + j +60° = 180°
so
i = l = 180° -60° -52° = 68°
User Stephane Gosselin
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