The sum of the angles of a triangle is 180°, then:
(x+40)°+(3x-17)°+(2x-5)°=180°
x+40+3x-17+2x-5=180
6x+18=180
6x=162
x=27°
Answer:
it's the first option
Step-by-step explanation:
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Answer:1 sticker
Step-by-step explanation:because 56 is not a multiple of 6
