Question

Which of the following sets of numbers could not represent the three sides of a triangle?
Answer
Multiple Choice Answers
left curly bracket, 4, comma, 18, comma, 19, right curly bracket{4,18,19}
left curly bracket, 13, comma, 22, comma, 33, right curly bracket{13,22,33}
left curly bracket, 13, comma, 19, comma, 29, right curly bracket{13,19,29}
left curly bracket, 6, comma, 18, comma, 25, right curly bracket{6,18,25}

Answer 1

{6, 18, 25}

Because 6 + 18 = 24 which is not greater than 25, the triangle inequality fails, so those lengths cannot form a triangle.