Interpret this graph showing the relationship between the period of oscillation and the angle of displacement.

This graph displays the relationship between the period of oscillation (période en s) and the angle of displacement (angle (θ) en °).

Step 1: Identify the axes and scales.

• The x-axis represents the angle in degrees ($^\circ$). The scale is $1 \text{ cm} \rightarrow 5^\circ$.
• The y-axis represents the period in seconds (s). The scale is $1 \text{ cm} \rightarrow 0.1 \text{ s}$.
• The y-axis does not have numerical labels, but based on typical pendulum experiments and the visual representation, we can infer that