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perimeter
figure 1 → 1 x 8 = 8 cm figure 2 → 2 x 8 = 16 cm figure 3 → 3 x 8 = 24 cm figure 4 → 4 x 8 = 32 cm
multiples of 8 figure 5 → 5 x 8 = 40cm figure 20 → 20 x 8 = 160 cm
Question 13b
Video explanation ↓Meiling used identical 2-cm squares to form figures that follow a pattern. The first four figures are shown. The table shows the number of squares used and the perimeter of the first four figures. Find the perimeter of Figure 20. (1 mark)
Answer: 160 cm