The Y Ruler, developed by Yuan Design Studio, is multi-functional measuring set, inspired by the ancient Brass Goniometer. It has been redesigned to offer enhanced durability and precision, embodying ...

What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it. In this case use the length 8 cm, and the ...