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Mathematics 7 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

picture?

OpenStudy (anonymous):

There is none.

OpenStudy (anonymous):

the sum is 360 degree

OpenStudy (anonymous):

\[x+2x+3x=360\]

OpenStudy (anonymous):

you sure its not 180? sritama

OpenStudy (anonymous):

no,exterior angles

OpenStudy (campbell_st):

exterior angles of a polygon = 360 so as sritama stated above 6x = 360 solve for x

OpenStudy (anonymous):

ah yeah your right man.

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