Question from Stacy:
Chapter 1, Lesson 3, pg. 23, Set III, How to get an equilateral triangle by rearranging the polygons you cut out from the figure. (Number 5 in this set).
Answer from Cassidy Cash:
Shown on the left is the original shape as shown in the book,
but the four polygons are labeled 1, 2, 3, and 4.
Then on the right is shown the equilateral triangle you can make with those same polygons