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Question

Question 78(i)

Observe the toothpick pattern given below
Imagine that this pattern continues. Complete the table to show the number of toothpicks in the first six terms.
Pattern123456Toothpicks413


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Solution

The relationship between the pattern number and the number of matchsticks in it is as follows:
Pattern 14Pattern 27=4+3=Pattern 1+3Pattern 310=7+3=Pattern 2+3Pattern 413=10+3=Pattern 3+3

Using this relationship, we can find the number of matchsticks in pattern 5 and 6.
Pattern 5=Pattern 4+3=13+3=16Pattern 6=Pattern 5+3=16+3=19

Table:
Pattern123456Toothpicks4710131619

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