By considering the given pattern, write down the number of circles in
- Pattern 8
- Pattern 84
- Pattern 340
(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 8
= 8 x 4 + 2
= 34
(b)
Number of circles for Pattern 84
= 84 x 4 + 2
= 338
(c)
Number of circles for Pattern 340
= 340 x 4 + 2
= 1362
Answer(s): (a) 34; (b) 338; (c) 1362