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Pie
3 years ago
6

M∠1 = _° a) 140 b) 160 c) 80

Mathematics
2 answers:
VashaNatasha [74]3 years ago
7 0

Answer:

Option c 80\°

Step-by-step explanation:

we know that

The measurement of the <u>external angle</u> is the semi-difference of the arcs which comprises

so

in this problem

m

Sauron [17]3 years ago
4 0
∠1 = 1/2 (220 - 60) = 80°

---------------------
Answer: 80°
---------------------
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