Question

Fill in the blanks to find x.
Line AB is a straight line.

Give a real answer

Answer 1

Answer:

1) ∠AOB = 180° because measure of a straight angle is 180°.

2) ∠AOE + ∠EOF + ∠FOB = ∠AOB = 180° because linear pair of angles must add upto 180°.

3) x+2x+34°+20° = 180°

4) 3x+54° = 180°

⇒ 3x = 180°-54°

⇒ 3x = 126°

⇒ x = 126°/3

⇒ x = 42°

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