Question

Which set of measurements would NOT form a triangle?

a) 19, 16, 18

b) 9, 8, 16

c) 6, 9, 18

d) 8, 6, 9

Answer 1

try drawing them lol

Answer 2

one side has to be smaller than the sum of the other two sides and the sum of two sides has to be at least as long as one side.



what happens as x decreases in that triangle on the left? What happens as y increases in the triangle on the right?

Answer 3

Look closely at c) and can you visualize such a triangle?

Answer 4

true^^^

Answer 5

Note that if the included angle between the 6 and 9 side was 180 degree only a side < 15 could be used, how is the 18 gonna fit?