Look at the figure below and calculate the length of side x.
A. 12.6
B. 14.5
12
C. 10.3
u
у
O D. 8.5
45

Answer:
8. 484 so 8.5cm is the answer
Explanation:
Trig ratio.. I used cosine here
Cos 45= x /12
X = 12 x cos 45
= 12 x 0.707
= 8.484
=8.5