The diagram below shows four equilateral triangles
formed by using 9 toothpicks. By removing 3
toothpicks and rearranging the figure, can you form
congruent triangles?
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1
9+3
=11
The diagram below shows four equilateral triangles
formed by using 9 toothpicks. By removing 3
toothpicks and rearranging the figure,
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