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berpenyiku = 90o
5x + 5 + 2x + 15 = 90o
7x + 20 = 90o
7x = 70
x = 10o
maka za = 5 ( 10 )+ 5 = 55o
berpelurus = 180o
5x +5 + 2x + 15 = 180o
7x + 20 = 180o
7x = 140o
x = 20
maka za = 5 ( 20 )+ 5 = 105o