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5 votes
M∠1 = _°

a) 110
b) 140
c) 170

M∠1 = _° a) 110 b) 140 c) 170-example-1
User Harshil
by
8.1k points

2 Answers

3 votes
∠1 =
(1)/(2) (280 - 60) = 110

-----------------------
Answer: 110°
-----------------------
User Nayman
by
8.0k points
7 votes

Answer:

Option a
110\°

Explanation:

we know that

The measurement of the external angle is the semi-difference of the arcs which comprises

so

in this problem


m<1=(1)/(2)(280\°-60\°)=110\°

User Idris Mokhtarzada
by
7.8k points

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