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Mathematics 8 Online
OpenStudy (anonymous):

Can someone explain this to me? (Drawing pic now..)

OpenStudy (anonymous):

Why is x=99? |dw:1317377892863:dw|

OpenStudy (katrinakaif):

A triangle has a total measurement of....?

OpenStudy (anonymous):

180*

OpenStudy (anonymous):

The extra line at the end is confusing me. >__<

OpenStudy (mimi_x3):

The sum angle of a triangle is 180 degrees, so its 180 - (40+59) = 81 degrees Then 180 - 81 = 99 degrees , since that part is a straight angle

OpenStudy (angela210793):

|dw:1317377799660:dw|

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