A circle and a semicircle inside a square. What’s the length proportion of the two chords?

# Tag: proportion

## The cleaver

Four squares, a rectangle and a circle. What is the proportion brown : grey?

## Ice cube

A rectangle and a square. What is the proportion purple : blue?

## The swinging pyramid

A regular hexagon and two equilateral triangles share a vertex. What is the area proportion blue : yellow?

## The skyscraper

A blue parallelogram with an extended diagonal. What is the proportion green : orange?

## The face mask

A triangle having one side tangent to the circle is split into two triangles. What is the proportion blue : purple?

## The three rights

A trapezium containing three right angles is split in two. What is the proportion of the areas yellow : blue?

## The right angle

Two triangles inside a quarter circle. What is their area proportion?

## Up and down

A semicircle and a square. Three secants and a tangent form two triangles. What is their area proportion?

## The attic room

A blue square is topped with a right triangle. Using line segments to the top, a green quadrilateral is constructed with at least two right angles. What is the area proportion green : blue?