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x + (2x + 1) + (2x + 2) = 180
x + 2x + 1 + 2x + 2 = 180
x + 2x + 2x + 1 + 2 = 180
5x + 3 = 180
5x = 180 - 3
5x = 177
x = 35,4
x = 35,4°
2x + 1 = 2(35,4) + 1
= 71,8°
2x + 2 = 2(35,4) + 1
= 72,8°
5x + 3 = 180
5x = 177
x = 35,4
x° = 35,4°
( 2x + 1 )° = ( 70,8 + 1 )° = 71,8°
( 2x + 2 )° = ( 70,8 + 2 )° = 72,8°