What is the length of MN?

The answer is 17

Step-by-step explanation:

You would use Pythagorean theorem which is a^2 + b^2 = c^2

first you would do 8^2 + 15^2 = c^2

which would be 64 + 225 = c^2

which is 289 = c^2

then get the square root of 289 which is 17

so MN = 17

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d