Question

Find the value of x

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Answer 1

Sum of all exterior angles is 360 degree now u cn add all the exterior

Angle and find the unknown by equating it with 360 degree

Answer 2

Answer:

(a)155° (b)70° (c)120° (d)75°

Step-by-step explanation:

(a)180-100=80° and 180 - 105 = 75°

so x= 80+75 = 155°

(b) 180-90=90 , 180-120= 60 , 180-80=100. Now

360-(90+60+100)=110°

so x = 180-110= 70°

(c) x=180-60= 120°

(d) 85°+20°=105° so x=180-105 = 75°