1.

Solve this all sum please request​

Answer»

Step-by-step explanation:

step-1 make linear pair to the all exterior angles

step -2 LET the unknown angle number be = X

step-3 add all interior angles which is equal to 360 DEGREES

step-4 we will GET 250+x=360 degrees

step -5 do, x=360-250=110degrees

step -6 do linear pair to 110degrees to x and you Will get the answer 70 degrees



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