March 10, 2020

Problem of the Week

Tuesday, March 10, 2020

Squares are added on in a clockwise direction to create the spiral of squares shown below. If the length of the sides of the squares in the given pattern are given by the sequence 1, 1, 2, 3, 5, ..., what is the length of the side of the 20th square in this sequence?

Winners of the square spiral challenge