9514 1404 393
Answer:
d. Side = 16 cm, side = 9 cm, side = 8 cm
Step-by-step explanation:
In order for three lengths to form a triangle, the sum of the shorter two must exceed the longer.
a: 6+8 = 14, does not exceed 15
b: 6+9 = 15, does not exceed 15*
c: 6+9 = 15, does not exceed 16
d: 8+9 = 17, exceeds 16, so makes a triangle
_____
* One version of the triangle inequality requires only that the sum of the short sides be greater than or equal to the longest side. In such a triangle, the appearance is that of a line segment, and the area is zero. Many authors do not consider that to be a legitimate triangle.
