Question

A triangle has the following measurements. What is a possible length for the third side?

AB = 4, BC = 17, CA = ?

18

5

10

12

Answer 1

18

Answer 2

can't it possible be 5 as well if 18 is possible ?

Answer 3

im pretty sure @surdawi is correct

Answer 4

no
a^2+b^2 =c^2
4^2 + 17^2 = 305; c = 17.5

if we assume that c is the 17
b^2 = c^2 - a^2
b^2 = 17^2 - 4^2 = 273
b = 16.5