Yes, this one is going to be wickedly hard!
A field has the shape of a circle of radius 100m and is enclosed by a circular fence. A goat is attached by a rope to a hook, at a fixed point on the fence. To stop the goat from getting too fat, the farmer wants to make sure that it can only reach half of the grass in the field. How long should the rope be?
Ok, Here’s the 2nd challenge:
By drawing one line, can you separate the Yin/Yang into 4 sections of equal shape and size? (ignore the 2 eyes/spots)
Put 3 items up at once late Sunday night, so some of you may have missed the grasshoppers, and a neat word riddle. Also, Roly poly cannon now loads quicker with mochi ads disabled, thank you Johnny-K!
The concept of Yin and Yang are used to describe how seemingly disjunct or opposing forces are interconnected and interdependent in the natural world, giving rise to each other in turn (read more).
Our 1st math question involving the great symbol, however, deals with area.
Which has the greater area, the inner circle containing the Yin Yang, or the outer ring?
