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Episode 2 of 2

Dots and lines in a growing pattern

The question

Krit joins dots with straight lines to make the pattern of figures below.

  1. (a) How many dots are there in Figure 8?

  2. (b) Which figure has 23 dots? How many lines are there in that figure?

Try it first, then show the answer

Answer

  • (a)17 dots
  • b-figure:Figure 11
  • b-lines:33 lines
Look

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Episode 2 · Now playing

Dots and lines in a growing pattern