Question

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Answer 1

Respuesta:

Explicación paso a paso:

1) 2x+2x+2x=90°

6x=90°

x=90°/6

x=15°

2)Si descontamos 210° del giro completo 360°  =150°

tenemos

x+30°+2x+x=150°

4x=150°-30°

4x=120°

x=120°/4

x=30°

Respuesta:Opción c)30°

3)x+x+x=360°

3x=360°

x=360°/3

x=120°

4)x+10°+x+10°+4x+x+x=180°

8x=180°-10°-10°

8x=160°

x=160°/8

x=20°