michellezeigler michellezeigler
  • 23-09-2022
  • Mathematics
contestada

Which three lengths CANNOT be the lengths of the sides of a triangle?
13 m, 13 m, 12 m
5 m, 10 m, 6 m
24 m, 16 m, 11 m
20 m, 6m, 9 m

Respuesta :

mya6366464 mya6366464
  • 23-09-2022
answer: 20m, 6m, 9m

explanation:

the two shortest sides of the triangle need to add up to equal more than the longest side. to find this we can test all the answers:

13, 13, 12: 13+12 = 25 25 > 13 (works)

5, 10, 6: 5+6 = 11 11 > 10 (works)

24, 16, 11: 16+11 = 27 27 > 24 (works)

20, 6, 9: 6+9 = 15 20 > 15 (doesn’t work)

so the answer is the last one.

hope this helped! :)
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