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How many joins are there in Jia's pencil holder?

+1 vote
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Jia made this plastic pencil holder using octagons and triangles. It was open at the top.

enter image description here

She joined each pair of edges.
How many joins are there in Jia's pencil holder?

posted Dec 1, 2017 by Kapil Kapoor

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1 Answer

0 votes

I think there are 28 joins in the holder.

answer Dec 2, 2017 by Tejas Naik



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