A sequence of patterns is made from circular tiles and square tiles
Here are the first three patterns in the sequence.
ooo
a b
000
pattern number 1 pattern number 2
pattern number 3
a) How many square tiles are needed to make pattern number 7?
b) How many circular tiles are needed to make pattern number 20?
c) When the pattern number is odd, the total number of tiles (square
and circular) needed to make the pattern
A will always be even B will always be odd C could be even or odd
(2)
(2)
(2)