deionjennings deionjennings
  • 14-02-2019
  • Mathematics
contestada

which of the following could be the lengths of three sides of a triangle
A.1,2,3
B.3,3,7
C.4,8,12
D.5,7,9​

Respuesta :

ryanlijanlari ryanlijanlari
  • 14-02-2019

Answer: D.5,7,9

Step-by-step explanation:

Rules is that:

a+b>c

a+c>b

b+c>a

let a = 5

let b = 7

let c = 9

5+7>9

5+9>7

7+9>5

Therefore, this satisfies the rules of a triangle

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