Question

Which of the following sets of numbers could be the lengths of the sides of a triangle?

a. 3.5 cm, 7 cm, 10.5 cm
b. 3.5 cm, 7 cm, 14 cm
c. 3.5 cm, 3.5 cm, 3.5 cm
d. 3.5 cm, 5 cm, 10 cm

Answer 1

If you add two sides to a triangle they must be greater than the third side so the answer is c

3.5 + 3.5= 7

7 > 3.5