Answer:
11.666
round up to 11.7
Explanation:
(hypotenuse)^2 -(leg b)^2
√(12.333)^2-(4)^2
√(152.11-16)
√(136.11)
11 2/3 yd.
\sqrt{\left(12\frac{1}{3}^{2}-4^{2}\right)} = 35/3
35/3=11 2/3
6.7m questions
8.8m answers