Answer:
a) is not a triangle.
b)
Okay, so I used this method to determine if the measurements will make a triangle.
a+b has to be greater than c. 7+2= 9. So 9 is greater than c
a+c has to be greater than b. 7+ 5= 12. which is greater than b
c+b has to be greater than a. 5+ 2 is 7. which is equal to a.
That means it would not make a triangle. Because c+b must be GREATER than a.
Consider doing the 2nd one the way I did the first question.
You got this!!
