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50 POINTS!!!!!!
1. Angles A and B are supplementary. Determine the measure of angle A if the measure of angle B is 109.6°.

A) 250.4°
B) 63.2°
C) 70.4°
D) 19.6°

Sagot :

mhanifa

Answer:

  • C) 70.4°

Step-by-step explanation:

We know supplementary angles add up to 180°:

  • A + B = 180°

Find the missing one:

  • A + 109.6° = 180°
  • A = 180° - 109.6°
  • A = 70.4°

Correct choice is C.
C. 70.4
180-109.6=70.4
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