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Mathematics 13 Online
OpenStudy (anonymous):

values question

OpenStudy (mathstudent55):

If a quadrilateral is inscribed in a circled, then opposite angles are supplementary.

OpenStudy (mathstudent55):

Really?

OpenStudy (anonymous):

how did you get 84?

OpenStudy (mathstudent55):

84 is incorrect.

OpenStudy (mathstudent55):

***OPPOSITE*** angles are supplementary, not adjacent angles.

OpenStudy (anonymous):

Is this 50?

OpenStudy (anonymous):

I don't really know what to do...

OpenStudy (anonymous):

@mathstudent55

OpenStudy (mathstudent55):

Do you know what supplementary angles are?

OpenStudy (mathstudent55):

They are angles two whose measures add up to 180 degrees.

OpenStudy (anonymous):

yes that's what I was going to say

OpenStudy (mathstudent55):

If d and 100 are supp angles, what is d?

OpenStudy (anonymous):

80

OpenStudy (mathstudent55):

Bingo!!!

OpenStudy (anonymous):

Oh I see like I was doing c and d for some reason but I get it. Thanks :)

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