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

i dont understand

Answer 2

in order to make a triangle, all the sides have to meet; the 2 sides given produce a range of other options

Answer 3

the shortest range is simply 17-4
the longest range is 17+4

Answer 4

13 ,21

Answer 5

good, now see what values from the options are between 13 and 21

Answer 6

18

Answer 7

then 18 it is

Answer 8

thanks

Answer 9

yw, and good luck

Answer 10

In a triangle, the sum of any two sides of the triangle has to be greater than the third side

so
AB + CA > BC
4 + CA > 17
CA > 13

Answer 11

From the given values only 18 is greater than 13, so that is the answer