Geometryhard · Past Paper
The angles of a quadrilateral are in the ratio 2:4:5:7. Find the difference between the largest and smallest angle.
A40 degrees
B80 degrees
C100 degrees
D140 degrees
✓ Correct Answer: C — 100 degrees
2x+4x+5x+7x=360; 18x=360; x=20. Largest=140, Smallest=40. Difference=100.
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