A blue flagpole is erected near a drilling site. Lines are drilled perpendicular to the flagpole guy wires and meet at the bottom of the orange drilling pipe. What is the ratio of distances green to red?
Two squares sharing a vertex and two overlapping coloured quadrilaterals from square side midpoints. What is the area proportion of the blue and the red quadrilateral?
Two squares and a rectangle. Prove that red = blue.
Tangent lines QC and EC meet at C. A point D on QC has DC=1 and QD=2. The line ED intersects the circle at G, and the line HGI is parallel to QDC. What is HG/GI?
Three circles and a triangle. What is red : green?
Three circles with a common intersection point and two triangles. What is α : β?
A triangle with its incircle. What’s a : b : c?
A regular hexagon and two equals angles. What is blue : green : red?
Two squares and one extended side. What is purple : red?
Two rectangles are positioned with the side of each one along the diagonal on the other. Furthermore, two of their sides have the same length, as marked. What is the quotient of areas (A+B)/(C+D)?