Question

please help
Which of the following may not be the lengths of the sides of a triangle??
[1]{3,4,5}
[2]{4,4,7}
[3]{8,9,16}
[4]{4,7,11}

Answer 1

4, because of the rule that 2 sides of a triangle always have to add up to be greater than the third side... if not... you'd end up with a line, try to draw choice 4 on a piece of paper with pencil and ruler, and you will find that it is impossible.
best of luck with math!

Answer 2

thanks