By considering the given pattern, write down the number of circles in
- Pattern 12
- Pattern 63
- Pattern 218
(a)
Pattern for the number of circles
Pattern 1: 1 x 4 + 2 = 6
Pattern 2: 2 x 4 + 2 = 10
Pattern 3: 3 x 4 + 2 = 14
Pattern 4: 4 x 4 + 2 = 18
Formula
Number of circles = Pattern number x 4 + 2
Number of circles for Pattern 12
= 12 x 4 + 2
= 50
(b)
Number of circles for Pattern 63
= 63 x 4 + 2
= 254
(c)
Number of circles for Pattern 218
= 218 x 4 + 2
= 874
Answer(s): (a) 50; (b) 254; (c) 874