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Alex787 [66]
3 years ago
15

Given: m∠APC = 27°, m DC = 27° Find: m AB

Mathematics
2 answers:
Wittaler [7]3 years ago
6 0

Answer:

The unknown angle = 126°

Step-by-step explanation:

From angles in a triangle.

The total sum of angles in a triangle = 180°

Let the unknown angle be x

27 + 27 + x = 180

X = 180-27-27

X= 180-54

X = 126°

pychu [463]3 years ago
4 0

Answer: 81°

Step-by-step explanation:

m<p is a secant exterior angle which equals arcAB-arcDC divided by 2.

plug the numbers in and arcAB-27 / 2 =54 Arc AB is 27+54=81 degrees

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