Two straight lines are specified by y=a+cx and y=b+cx, respectively, where b≥a. What’s the distance d between them in terms of a, b and c?
Categories
Parallel universes
Tag: line
Categories
Below the line
Two squares share a vertex at the origin and have their sides along the x- and y-axis. Two vertices lie on the line satisfying x+2y=c. What is the proportion purple : yellow?
Categories
Between the bars
Two parallel lines support two rectangles. Prove they have equal area.
Categories
The fallen pine
Two congruent isosceles triangles and three lines. Prove triangle AEF is also isosceles.