What is the perimeter of the outer rectangle? All angles shown are right angles.

Continue reading “Unclear Perimeter”# Tag Geometry

Puzzles involving any geometry, including shapes, areas, distances, and angles

## Five’s a Crowd

Try to place five points in (or on the perimeter of) an equilateral triangle with side length 10, as to maximize the distance between the points.

What is the greatest possible distance between the two closest points?

Continue reading “Five’s a Crowd”