alguem sabe............?
Anexos:
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Soluções para a tarefa
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1
a) 120◦ + 4x = 180◦
4x = 180◦ - 120◦
x = 60◦ = 15◦
4
b) 3x + 2x = 90◦
5x = 90◦
x = 18◦
c) 3x - 40◦ + x - 10◦ + 90◦ = 180◦
4x = 180◦ - 90◦
x = 140◦/4
x = 35◦
d) 4x -10◦ = 50◦ + 2x
2x = 50◦+10◦
2x = 60◦
x = 30◦
4x = 180◦ - 120◦
x = 60◦ = 15◦
4
b) 3x + 2x = 90◦
5x = 90◦
x = 18◦
c) 3x - 40◦ + x - 10◦ + 90◦ = 180◦
4x = 180◦ - 90◦
x = 140◦/4
x = 35◦
d) 4x -10◦ = 50◦ + 2x
2x = 50◦+10◦
2x = 60◦
x = 30◦
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