Respuesta:
Angulo BOD = 90°
Explicación paso a paso:
x + 2x - 10 + 3x - 20 + 4x - 30 = 180
10x - 60 = 180
10x = 180 + 60
10x = 240
x = 240/10
x = 24
Angulo BOD = 2x - 10 + 3x - 20
= 5x - 30
= 5(24) - 30
= 120 - 30
= 90
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Respuesta:
Angulo BOD = 90°
Explicación paso a paso:
x + 2x - 10 + 3x - 20 + 4x - 30 = 180
10x - 60 = 180
10x = 180 + 60
10x = 240
x = 240/10
x = 24
Angulo BOD = 2x - 10 + 3x - 20
= 5x - 30
= 5(24) - 30
= 120 - 30
= 90