By considering the given pattern, write down the number of circles in
- Pattern 14
- Pattern 72
- Pattern 303
(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 14
= 14 x 4 + 2
= 58
(b)
Number of circles for Pattern 72
= 72 x 4 + 2
= 290
(c)
Number of circles for Pattern 303
= 303 x 4 + 2
= 1214
Answer(s): (a) 58; (b) 290; (c) 1214
