Construct a sphere. 
Construct a wedge as thus: 
Construct this pattern on the sphere. 
Design this "beach ball." 
Construct this pattern on the ball. One
part is given by

Construct this pattern on the ball. One part is given by

Construct the space curve given in spherical coordinates by

There is a curve on the sphere that has a projection that looks like the curve on the right. Construct this space curve. 
Construct the surface given in spherical coordinates by

Divide the sphere into four congruent pieces. 
Divide the sphere into six congruent pieces. 
Construct the surface given by the equation :
