PRACTICE TASK 2

1. Which of the following could be measures of the sides of a triangle? Write the letter of your answer.
a. 4cm. 9cm, llcm
b. 3dm, 5dm, 7dm
c. 9m, 10m, 11m,
d. 5m, 7m, 12m
e. 3dm, 6dm, 10dm
f. 8cm, 12cm, 15cm

2. Using a, b and c as sides of a triangle, show the relation between the sum of the lengths of the two sides and the length of the third side.

3. The lengths of a triangle are 10dm and 12dm. Between what numbers must the length of the third side, y lie?​