2) Mark True or False for the following:
The representation of a point is space, “r”, is a scalar. True___ False ___
Parameter “t” is a three-dimensional vector. True ___ False___
When representing surfaces, the pair (t,s) points to a givenpoint in space. True ___ False ___
In the following rotation matrix (about z), the rotation angleis -90°. True ___ False ___
0 1 0 0
-1 0 0 0
0 0 1 0
0 0 0 1
In the following rotation matrix (about z), the rotation angleis 90°. True ___ False ___
0 1 0 0
-1 0 0 0
0 0 1 0
0 0 0 1
