Do the following sides form a triangle 12,7, 9
7+9 greater than 12, yes
12+7 less than 9, no
12 + 9 less than 7, no
What are the range of the third side of a triangle with sides of 33 and 12
more and 21 less than 45 (21<X<45)
more than 21 and less than 33 (21<X<33)
less than 45 (x<45)
On the same triangle from question 2, select one value that could be the 3rd side (only one)
9
45
12
23