If two sides of a tringle have lenghts 2 and 5,which of the foll could be the perimeter??
9
15
19
none
1 only
2 only
2 and 3 only
1,2 and 3
9
15
19
none
1 only
2 only
2 and 3 only
1,2 and 3
Maxx
I - perimeter 9 would mean 5+2+x=9 -> x=2, impossible, the sum of every two sides of a triangle must be greater than the third side. 2+2=4 < 5.
II - perimeter 15 would mean x=8 5+2=7 < 8 impossible
III - perimeter 19 x= 12 5+2=7 < 12 impossible
Answer is A
