14/100 is half of 2/7.
Answer:
2nd
Step-by-step explanation:
Check the picture below to the left, let's use those sides with the law of sines
A≈576.31
surface area = bh + L(s1+s2+s3)
surface area = (13*11) + 13 * (10+11+14.87)
x-3+x=-38
2x-3=-38
2x=3-38=-35
x=-35/2=-17.5