A triangle with side lengths a and b and an inscribed rhombus. What is the blue fraction in terms of a and b?
Categories
The inner diamond

A triangle with side lengths a and b and an inscribed rhombus. What is the blue fraction in terms of a and b?
A unit rhombus is surrounded by four congruent parallelograms. All five quadrilaterals have equal area. What are the parallelogram sides x and y?