I°) Definition:
Two lines are strictly parallel if not touching.
II°) Example:
In the figure below, we have :(MN) // (BC)
M is a point of [AB] and N is a point of [AC] then
In the figure below, triangle ABC has dimension :
AB = 5 cm ; AC = 4 cm ; BC = 6 cm
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| III°) Experimental Study: Thales theorem
Use the arrows to change the face and finds equality reports. |
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