Show that a certain set of points lies on a straight line
73578
Do infinitely many points in a plane with integer distances lie on a line?
17234
Show that a continuous function has a fixed point
18222
Set of continuity points of a real function
106749
Two points are selected on a straight line of length 'a' units at random
34029
Find intersection of pairs of straight lines
15966
A way to well-order real line
57473
how to find a point in the path of a line
121084
Right triangles and tangent lines
53410
How can you determine a point is between two other points on a line segment?
23925
Endpoint of a line knowing slope, start and distance
84462
Finding location of a point on 2D plane, given the distances to three other know points
134722
Intersection of straight line and circle
66796
Describe the set of points on the complex plane...
46834
show that a distance function is continuous
6335
Proving that the set enclosed by an ellipse is convex
134049
Showing an inequality is valid
103172
showing certain vertices form an equilateral triangle