1. The ratio between the angles of a quadrilateral is 4:5:7: 8. Find the angles of the
quadrilateral.
Answers
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4x + 5x + 7x + 8x = 360°
or 24x = 360°
or x = 15°
So, 4x = 60°
5x = 75°
7x = 105°
8x = 120°
The angles are 60°, 75°, 105° and 120°.
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