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.

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.

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 cm2

B. 128π cm2

C. 32π cm2

D. 1024π cm2

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 m2

B. 900π m2

C. 3600π m2

D. 450π m2

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 cm2

B. 529 cm2

C. 168 cm2

D. 674 cm2

4. Find the volume of the sphere shown. Give each answer rounded to the nearest cubic unit. 

5 mm

A. 262 mm3

B. 524 mm3

C. 314 mm3

D. 105 mm3

5. The volume of a sphere is 3000π m3. What is the surface area of the sphere to the nearest square meter?

A. 37699 m2

B. 165 m2

C. 1079 m2

D. 2158 m2

Assignment

11-6 P.737-739 #6-50 evenBe 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.