Geometrymedium · Past Paper
If two interior angles on the same side of a transversal intersecting two parallel lines are in the ratio 4:5, find the larger angle.
A80 degrees
B100 degrees
C120 degrees
D140 degrees
✓ Correct Answer: B — 100 degrees
4x + 5x = 180; 9x = 180; x = 20. Larger angle = 5 * 20 = 100.
Share this question
More from Geometry
- A line segment has how many endpoints?
- If two parallel lines are cut by a transversal, the corresponding angles are:
- Find the angle between the bisectors of two angles forming a linear pair.
- Find the area of the largest triangle that can be inscribed in a semi-circle of radius 'r'.
- A triangle with angles 40, 40, and 100 degrees is: