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What is the answer for the question down below

What Is The Answer For The Question Down Below class=

Sagot :

Answer:

x = 45°

Step-by-step explanation:

If AC is a supplementary line, then

x + 90° + x = 180°

solution:

2x + 90° = 180°   |subtract 90° from both sides

2x = 90°    |divide both sides by 2

x = 45°