Răspuns:
c)35°
Explicație pas cu pas:
(6x-60)+(3x+15)+(2x+20)=360
11x-25=360
11x=360+25
11x=385
x=385:11
x=35°
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Răspuns:
c)35°
Explicație pas cu pas:
(6x-60)+(3x+15)+(2x+20)=360
11x-25=360
11x=360+25
11x=385
x=385:11
x=35°