Use a ruler, protractor and a pair of compasses to construct a triangle accurately. After the triangle has been constructed, leave the construction lines visible so each stage of the process is shown ...

The Earth ain’t big enough for this tiny shape UPDATE: Read the solution here Today’s puzzle is simple and spectacular. It asks you to construct a triangle whose existence seems to defy reason. Show ...

Penny knows how to construct a triangle when given the lengths of three sides, but doesn’t know how to construct a triangle given the heights of the triangle from two sides and the length of the third ...