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In the figure below, lines L and M are parallel and line AB = line BC = line AC. What is the measure of the exterior angle
at angle C?

*check the picture*

In the figure below lines L and M are parallel and line AB line BC line AC What is the measure of the exterior angle at angle C check the picture class=

Respuesta :

ameliaswan

Answer:

120º

Step-by-step explanation:

angles of an equilateral triangle are equal so..

180 ÷ 3 = 60º

to get the exterior m⦣C

180 - interior m⦣C = exterior m⦣C

180º - 60º = 120º

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