rectangular coordinates

23 LETTERS · STARTS WITH R

rectangular coordinates is a valid 23-letter word worth 28 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1C3T1A1N1G2U1L1A1R1C3O1O1R1D2I1N1A1T1E1S1

1 + 1 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does rectangular coordinates mean?