Find the sum of all of the prime numbers between 10 and 30. list the addends.

First, all the prime numbers between 10 and 30 are :  11,13,17, 19, 23, 29.

For the sum : .

So the answer would be : 112.

Hope this helps !

Photon

No a triangle cannot be formed because when you add the two smallest number together (which would be 11) the have to be bigger than the number it is "against" ( which would be 12)