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(a) Look at the following matchstick pattern of squares. The squaresare not separate. Two neighbouring squares have a common matchstick.Observe the patterns and find the rule that gives the number ofmatchsticks in terms of the number of squares. (Hint: if you removethe vertical stick at the end, you will get a pattern of Cs.)(b) The given figure gives a matchstick pattern of triangles. Findthe general rule that gives the number of matchsticks in terms of thenumber of triangles. |
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