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

2 Answers

4 votes

Answer: 81°

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

User RemcoGerlich
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6.1k points
3 votes

Answer:

The unknown angle = 126°

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°

User Nikkorian
by
4.9k points