Two rectangles share a vertex. Two line segments connecting opposing vertices and the common side intersect in a single point. Prove that the rectangles are similar.
Tag: rectangle
The kingsize bed
A rectangle with an inscribed right triangle. What is ac/bd?
The obstructed view
A rectangle and two squares of side length a and b respectively. What is the red area in terms of a and b?
A square containing a rectangle and a tangent quarter circle. What fraction is orange?
The freight elevator
Four points A, B, C and D form a quadrilateral. Prove that it is a rectangle if and only if for an arbitrary point P we have PA2+PC2=PB2+PD2.
The red sash
Two squares and a rectangle. What is area of the rectangle in terms of square sides a and b?
The dome tent
A rectangle with a diagonal and an inscribed semicircle. What is red : green : blue?
The crowded house
Three circles are inscribed in a rectangle. What is the area X in terms of A and B?
The letter box
A rectangle with a diameter and two inscribed squares. What is its area in terms of the square areas A and B?
The tornado
A quadrilateral covers exactly half of the area of a rectangle. Find the length x in terms of a, b and c.