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anonymous
 one year ago
Which of the following possibilities will form a triangle?
Side = 16 cm, side = 8 cm, side = 7 cm
Side = 16 cm, side = 9 cm, side = 7 cm
Side = 17 cm, side = 12 cm, side = 7 cm
Side = 17 cm, side = 11 cm, side = 5 cm
anonymous
 one year ago
Which of the following possibilities will form a triangle? Side = 16 cm, side = 8 cm, side = 7 cm Side = 16 cm, side = 9 cm, side = 7 cm Side = 17 cm, side = 12 cm, side = 7 cm Side = 17 cm, side = 11 cm, side = 5 cm

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Directrix
 one year ago
Best ResponseYou've already chosen the best response.0@johnnyy999 Why C and not some other option? Please explain how you chose C as the answer.

Directrix
 one year ago
Best ResponseYou've already chosen the best response.0According to the triangle inequality theorem, one side of a triangle must be less than the sum of the other two.

Directrix
 one year ago
Best ResponseYou've already chosen the best response.0Testing option A: 16 cm, side = 8 cm, side = 7 cm Is 16 < 8 + 7 No > One no means that the 3 sides are not lengths of a triangle so option A is out because 16 is not less than 15. Is 8 < 16 + 7 Yes Is 7 < 16 + 8 Yes

Directrix
 one year ago
Best ResponseYou've already chosen the best response.0Side = 16 cm, side = 9 cm, side = 7 cm Is 16 < 9 + 7 ? @geny55

Directrix
 one year ago
Best ResponseYou've already chosen the best response.016 < 16 No, so option B is out

Directrix
 one year ago
Best ResponseYou've already chosen the best response.0Option C: Side = 17 cm, side = 12 cm, side = 7 cm 17 < 12 + 7 ? 12 < 17 + 7 ? 7 < 17 + 12 ? @geny55
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