Describe lengths of three segments that could not be used to form a triangle. Segments with lengths of 10 in., 10 in., and ___ cannot make a triangle.

Answer choices: 17, 21, 2, 10

21 is your answer

i really dont know

step-by-step explanation:

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72