?÷2+40+?÷2= 180° Solve in detail. – InterviewSolution

1.

?÷2+40+?÷2= 180° Solve in detail.

Answer»

Step-by-step EXPLANATION:

(?÷2)+40+(?÷2)=180°

2(?÷2)+40=180°

2?÷4=(180-40)°

2?÷4=140°

2?=(140×4)°

2?=560°

?=560÷2

?=280

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