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50 POINTS
If m∠1 = 53°, what is m∠4?
A. 53°
B. 43°
C. 37°
D. 27°

Sagot :

Answer:

43.

Step-by-step explanation:

∠1 and ∠4 are vertical angles.

Vertical angles are equal.

Therefore,  

m∠1 = m∠4 = 43°

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