Dilate by a ratio of segments

Scales an object from a centre by the ratio of two segments. Ruler and compass only.

All parts

Part 1 of 7: Rule OXStep 1 of 2Ruler

The image is on line OX. Lay the ruler so its edge passes through O and X.

Keys: left and right arrows step, Space plays or pauses, Escape goes back to all constructions.