Side of square (in cm) | 2 | 3 | 3.5 | 5 | 6 |
Perimeter (in cm) | 8 | 12 | 14 | 20 | 24 |
Side of square (in cm) | 2 | 3 | 4 | 5 | 6 |
Perimeter (in \[c{{m}^{2}}\]) | 4 | 9 | 16 | 25 | 36 |
Answer:
(i) Scale: Horizontal: 1 unit = 1 cm Vertical: 1 unit = 4 cm ? Mark side of the square (in cm) on horizontal axis. ? Mark perimeter (in cm) on vertical axis. ? Plot the points (2, 8), (3, 12), (3.5, 14) (5, 20) and (6, 24). ? Join the points. We get a linear graph. (ii) ? Scale: Horizontal: 2 units = 2 cm Vertical: 1 unit = 2 cm ? Mark side of the square (in cm) on horizontal axis. ? Mark area (in \[c{{m}^{2}}\]) on vertical axis. ? Plot the points (2, 4) (3, 9), (4, 16), (5, 25) and (6, 36). ? Join the points. The graph we get is not linear.
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