Question

Which of the following could NOT be the lengths of the sides of a right triangle?

2 9 ft, 12 ft, 15 ft
c 4 cm, 7.5 cm, 8.5 cm
b. Sin., 10 in, 15 in
d 15 m, 2 m, 2.5 m

Answer 1

d. 15 m, 2m, 2.5m. it doesn’t match the triangle inequality theorem. the sum of the side lengths don’t exceed that of the third side