Its easy just subtract so example subtract 480 - ____ just keep adding a number until it tells you the awnser
Answer to Problem 1: 5√3
Answer to Problem 2: 21√5
It should be C., is that what the graph looks like?
Edges that are perpendicular to PR basically means what edges make a 90° angle with PR.
Those edges are HP , RA, TR and QP.
Hence, the answer is A, B and C.
The answer to this question is A.
