Answer:
D
Step-by-step explanation:
8^2 +12^2 = hyp ^2
64 +144 = hyp^2
208 =hyp ^2
Hyp = 4 root 13
x = sqaureroot of ( 18^2 + (4 root 13)^3)
x = sqaureroot of (324 +208)
x = sqaureroot of 532
x = 2 root 133
x = 23.065
x = 23
Please gimme brainliest
