This document contains math problems involving similar shapes, scale ratios, and similarity ratios: 1) Find the similarity ratio of two hexagons with sides of 2 cm and 3 cm. 2) Calculate the area and volume of a pyramid with a square base of 6 cm and height of 4 cm, and do the same for a similar pyramid with a similarity ratio of 0.5. 3) Find the similarity ratio of two similar cubes with volumes of 8 m3 and 343 m3.