Question

Which set of numbers does not create a triangle?

80 cm, 25 cm, 1 m

5 m, 12 m, 8 m

110 ft, 12 yd, 150 ft

7 yd, 13 yd, 19 yd

Answer 1

if the sum of the two shorts is less than or equal to the greater; it cant possible make a triangle

Answer 2

25+1 = 26 ; 26 is less than 80 so it cant be a triangle can it?

Answer 3

8+5 = 13; 13 is greater than 12 so can this make a triangle?

Answer 4

test that out for the others ...

Answer 5

thanx :)