By considering the given pattern, write down the number of circles in
- Pattern 5
- Pattern 94
- Pattern 287
(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 5
= 5 x 4 + 2
= 22
(b)
Number of circles for Pattern 94
= 94 x 4 + 2
= 378
(c)
Number of circles for Pattern 287
= 287 x 4 + 2
= 1150
Answer(s): (a) 22; (b) 378; (c) 1150