WHAT YOU NEED: a ruler, a compass and a pencil. STEP 2: Put the pin of a compass at the end of the line you want to bisect. Set the compass to more than half the length of the line, and draw an arc ...

Click to see a step-by-step slideshow. STEP 1: This is what to do when you know the length of 1 side and the 2 angles at each end of it: here 8 cm, 40° and 50°. Draw an 8 cm line using a pencil and ...

Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

24.8 48.0 (23.2) - CH / 800 m / tf / 3 bt 7 / T R Han / Slow canter site (R.B.) (CH) ...