Assessment activities: 5.1. Triangle Inequality
Construct, using the appropriate GeoGebra tools, a triangle with sides of 3, 4, and 5 u, where u is the unit of length defined by the grid.
Then, do the same for the triangles with the data provided below.
Have you noticed anything unusual? Why do you think this happens? Formulate your own conjecture about what you observe.
a) 3, 4 and 8 u
b) 3, 4 and 6 u
c) 3, 4 and 7 u.
d) 9, 5 and 3 u
e) 7, 5 and 3 u.
f) 8, 5 and 3 u.
g) 6, 9 and 3 u.
h) 6, 10 and 3 u.
i) 6, 8 and 3 u.