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Mathematics 11 Online
OpenStudy (anonymous):

Sarla made a drawing of a geometric figure for a fabric print. The figure was a quadrilateral with a pair of angles measuring 40° each. If the figure she drew is a concave polygon, which of these could be the measures of the other two angles? Answer 130°, 150° 160°, 140° 200°, 80° 220°, 110°

OpenStudy (anonymous):

Help please

OpenStudy (nottim):

wats concave?

OpenStudy (anonymous):

Concave is when a shape/figure has an inworded point like a "Cave"

OpenStudy (nottim):

|dw:1343783311359:dw| like that?

OpenStudy (nottim):

|dw:1343783320631:dw|

OpenStudy (nottim):

btw, the total interior angle of a quadilateral is 360

OpenStudy (anonymous):

|dw:1343772534358:dw|

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