Learning Task II.

Encircle the letter / number of the correct answer.

1. Which of the following combinations could be three sides of a triangle?

A. 5, 6, 11 B. 1, 3, 5 C. 5, 16, 20 D. 7, 7, 14

2. Two sides of a triangle are 15 and 8. Which of the following cannot be the third side?

A. 9 B. 13 C. 21 D. 25

3. Suppose two sides of a triangle both measures 4 units, which can be the possible measure of the third side? Encircle all the

possible whole numbers.

0 1 2 3 4 5 6 7 8 9 10

4. Two sides of the triangle are 13 and 51. What is the range of the length of the 3rd side?

A. 13< 3rd side <51 B. 13> 3rd side >51 C. 38< 3rd side <64 D. 3rd side <64

5. Two legs of a triangle are 7.3 and 17.2 respectively. Given that the length of the third side is an integer, what is the largest

possible length for the third side.

A. 18 B. 20 C. 22​