241.--THE DISSECTED CIRCLE.

How many continuous strokes, without lifting your pencil from the paper,

do you require to draw the design shown in our illustration? Directly

you change the direction of your pencil it begins a new stroke. You may

go over the same line more than once if you like. It requires just a

little care, or you may find yourself beaten by one stroke.

[Illustration]

Amusements in Mathematics · 第 274 / 970 题