Mathematics (Quadrilaterals)
posted by Krishita .
2angles of a quadrilateral are 70 degrees and 110 degrees.The other 2 are in the ratio 4:5.Find these angles.

Mathematics (Quadrilaterals) 
Scott
the angles sum to 360º
360  110  70 = 180
4n + 5n = 180
find n , then find the two angles (4:5)
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