Geometrymedium · Past Paper
If the ratio of an angle and its supplement is 1:5, find the angle.
A30 degrees
B150 degrees
C60 degrees
D120 degrees
✓ Correct Answer: A — 30 degrees
x + 5x = 180; 6x = 180; x = 30.
Share this question
More from Geometry
- Coordinates of centroid of triangle with vertices (1, 2), (3, 4), and (5, 6) are:
- Centroid divides the median in the ratio:
- If the area of a triangle with vertices (0,0), (x,0), and (0,10) is 50, find x.
- What is the area of a triangle with vertices (0,0), (1,0), and (0,1)?
- What is the center and radius of x^2 + y^2 = 1?