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in Algebra by (65.5k points)

Fig. gives a matchstick pattern of triangles. As in, find the general rule that gives the number of matchsticks in terms of the number of triangles.

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It can be observed that in the given matchsticks pattern, the number of matchstick pattern the number are 3, 5, 7 and 9. which is 1 more than twice of the number of ∆ les in the pattern

Hence, the pattern is 2n + 1 Where n is the number of ∆.les

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