Question

A switch plate for a standard wall switch has the shape
of a golden rectangle. The longer side of the switch plate is about 114 mm.
How long is the shorter side? Round your answer to the nearest millimeter.

Answer 1

old question, answering to close

the ratio of sides in a golden rectangle is 1:1.618 so the longer side is 1.618 * the shorter side. therefore, you can simply divide 114 by 1.618 to get the length of the shorter side. round to the nearest mm as stated.