katiarowland2003 katiarowland2003

27-08-2019
Mathematics

contestada

The exterior angles of a triangle measure x°, (2x)°, and (3x)°. What is the value of x?

A. 60

B. 72

C. 30

D. 45

Respuesta :

calculista calculista

27-08-2019

Answer:

Option A 60°

Step-by-step explanation:

we know that

The sum of the exterior angles of a polygon must be equal to 360 degrees

so

In this problem

(x+2x+3x)=360°

6x=360°

x=60 degrees

Answer Link

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