## Chapter 12, Lesson 8

**12-8.A** find missing dimensions in similar polygons**In the figure, triangle BOY is similar to triangle DOG. Find the length of OG.**

**12-8.B** find surface areas of familiar solid figures

**The slant height of a cone is 26 in. and the diameter of the circular base is 48 in. Find the exact surface area of the cone.**

**12-8.C** find volumes of familiar solid figures **Find the volume of the given figure.**