Step-by-step explanation:
the photo should explain
Use the law of cosines:
c² = 8² + 11² - 2•8•11 cos(37°)
c² ≈ 44.4402
c ≈ 6.66634
Answer:
65.00 + 65.00 = 130.00 - 65.00 = 65.00
