Moocow821
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°
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Moocow821
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Help please
NotTim
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wats concave?
Moocow821
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Concave is when a shape/figure has an inworded point like a "Cave"
NotTim
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|dw:1343783311359:dw| like that?
NotTim
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|dw:1343783320631:dw|
NotTim
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btw, the total interior angle of a quadilateral is 360
Moocow821
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|dw:1343772534358:dw|
NotTim
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360-40-40. That leaves you the total angle left for the other angles.
NotTim
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...err..you should do the se3cond step related to concaves. i cant remember
Moocow821
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I'm gonna go with the first answer...... thanks though
Moocow821
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I kinda, got it, i think thanks.