Chapter 12.6: Surface Area and Volume of Spheres

Question 1

Sphere

Answer 1

the set of all points in space that are given distance, r, from a point called the center.

Question 2

Hemispheres

Answer 2

each great circle of a sphere separates a sphere into two congruent halves called hemispheres.

Question 3

Thm. 12.11 - Surface Area of a Sphere

Answer 3

the surface area, S, of a sphere of radius, r, is S=4 x 3.14 r2.

Question 4

Thm. 12.12 - Volume of a Sphere

Answer 4

the volume, V, of a sphere of radius r is V=4/3 x 3.14 r3.