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in Algebra by (48.7k points)
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Following figures represents the pattern of triangles constructed by matchsticks. Find the general rule which gives the number of required matchsticks in terms of number of triangles.

1 Answer

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by (49.4k points)
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Best answer

Image 

∴ Rule is as follow : 

number of matchsticks = 2x + 1, where x is number of triangles.

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