Answer:
D or the last one
Step-by-step explanation:
Answer:23.41
11^2 = h^2 + ( 14/2)^2
11^2 = h^2 + 7^2
121 = h^2 + 49
h^2 = 121 - 49
h^2 = 72
h = √72
3/28
that dot is a multiplication sign, right?