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.
Share this question
More from Geometry
- If the side of an equilateral triangle is doubled, its area becomes:
- If an exterior angle of a triangle is 110 degrees and one of its opposite interior angles is 40 degrees, find the other opposite interior angle.
- The ratio of the area of a circle to the area of its circumscribed square is:
- What is the distance between the points (3, 4) and (0, 0)?
- Find the slope of a line which is parallel to the y-axis.