Ai Tong Sch 2009 P6 CA1 Math Paper 2 Q10

The diagrams below show tiling patterns. Each tile is a square of side 1 cm.

What is the perimeter of Pattern 10?

Solution

(Add 6 cm for every new pattern)

Pattern 1 --> 10 cm

Pattern 2 --> 16 cm

Pattern 3 --> 22 cm

Pattern 4 --> 28 cm

Pattern 5 --> 34 cm

Pattern 6 --> 40 cm

Pattern 7 --> 46 cm

Pattern 8 --> 52 cm

Pattern 9 --> 58 cm

Pattern 10 --> 64 cm

Answer: 64 cm

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