x+3x+(x-10)°+5x+(2x-10)°=360°
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Answered by
1
Answer:
Step-by-step explanation:
Answered by
0
Answer:
30°
Step-by-step explanation:
x+3x+(x-10)°+5x+(2x-10)°=360°
=>4x+x-10°+5x+2x+10°=360°
=>12x=360°
=>x=360°/12
=>x=30°
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