(2.1). The exterior angle
In AABC below, the m A = (+ 20°, the m_B = r, and the m_C =
A measu...
Mathematics, 04.12.2020 01:00 daytonalive7193
(2.1). The exterior angle
In AABC below, the m A = (+ 20°, the m_B = r, and the m_C =
A measures 120°
B
rº
(2x)
120° /(x + 20)
A
С
What is the value of ?
A 20
B 40
C 60
D 80
Answers: 2
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