Question

To make one square (with matchsticks) , we need 4 match sticks. To make two squares, we need 7 matchsticks and so on.
a) Complete the tables and write a general formula for this.

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

Number of squares 1 2 4 4 5 6 7

Number of sticks        4       7 10     13 16 19   22

1 square = 4+3(0) = 4

2 square = 4+3(1) = 7

3 square = 4+3(2) = 10

4 square = 4+3(3) = 13

5 square = 4+3(4) = 16

6 square = 4+3(5) = 19

7 square = 4+3(6) = 22