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Today at 9:15 AM
Mathematics

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1) How many triangles will be formed by 13 matchsticks?
2) How many matchsticks will be needed to form 7 triangles?

1) How many triangles will be formed by 13 matchsticks? 2) How many matchsticks will be needed to form 7 triangles? class=

Answer :

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Today at 9:20 AM

1) 4 and one extra

2) 21

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