Answer:
B. 7√2
Step-by-step explanation:
One of the trigonometry formulas to find a missing side is:
sin θ = opp/hyp
Substituting those values in with the ones we have, we will get:
sin (45deg) = x/14
√2/2 = x/14
14(√2/2) = x
x = 7√2
Your welcome, and feel free to ask any questions you may have! :D
