Mathematics, 10.07.2021 18:50 viicborella

Avi uses 11 toothpicks to form a row of 5 attached triangles, as shown. Suppose he continues this pattern, using 89 toothpicks in all. What is the total number of triangles formed? (sorry the picture wasn't uplodaing)

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Avi uses 11 toothpicks to form a row of 5 attached triangles, as shown. Suppose he continues this pa...

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