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2 : 3
2y : 3y
180 = <P + <Q
180 = 2y + 3y
180 = 5y
180 : 5 = y
36 = y
<P = 2y = 2 x 36 = 72 derajat
<Q = 3y = 3 x 36 = 108 derajat
180=5a
a= 180/5
a=36
p=2.a
=72
q= 3.a
=108