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Sagot :

Step-by-step explanation:

sum of interior angle sum of each angle

1) 720 120

2)360 90

3)540 108

(2)

a) a=360-90-90-122

a=58

b) b=360-100-95-35

b=130

c) c=720-140-110-110-125-139

c=105

d) 2d=540-80-90-90

2d=280

d= 140

3) 5(360/5)

=360

4) y=90+90-122

y=58

x=360-117-66-58

x=119

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