2. 11-6 Surface Areas and Volumes of Spheres To find the surface area and volume of a sphere. Students will be able to make an approximation of a sphere using pyramids.

14. 11-6 Quiz The following questions are designed to help you determine if you understood today’s lesson Record your answers on the top of your homework sheet and then begin your lesson I will answer any questions Monday.

15. 1. Find the surface area of the sphere with the given dimension. Leave your answer in terms of π. diameter of 16 cm A. 256π cm 2 B. 128π cm 2 C. 32π cm 2 D. 1024π cm 2

16. 2. Find the surface area of the sphere with the given dimension. Leave your answer in terms of π. radius of 30 m A.1800π m 2 B.900π m 2 C.3600π m 2 D.450π m 2

17. 3. A balloon has a circumference of 23cm. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter. A. 1662 cm 2 B. 529 cm 2 C. 168 cm 2 D. 674 cm 2

18. 4. Find the volume of the sphere shown. Give each answer rounded to the nearest cubic unit. A. 262 mm 3 B. 524 mm 3 C. 314 mm 3 D. 105 mm 3

19. 5. The volume of a sphere is 3000π m 3. What is the surface area of the sphere to the nearest square meter? A.37699 m 2 B. 165 m 2 C. 1079 m 2 D. 2158 m 2

20. Assignment 11-6 P.737-739 #6-50 even Be sure to RATE your understanding of the lesson 4-3-2-1-0 after you finish it AND give me one complete sentence as to why you rated yourself that way then summarize what the lesson was about in a sentence or two.