Question

answer who have power

Answer 1

$\huge\green{--Bonjour!!--}$

1)

2x+7x=360

9x=360

x=40

greater angle=280°
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2)

2x+3x+5x=180°

10x=180°

x=18

smallest angle=36°
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3)

(-3,0) lie in 3rd quadrant

(1/2,-3/2) lie in 4th quadrant

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$\huge\orange{Merci !!}$