A=4,
b=3,
c= 2
a² + b² -2abcosC =c²
a² + b² - c² = 2abcosC
2abcosC = 4² + 3² -2² = 16 + 9-4= 21
Answer : B.21
Answer:
Side Jk is 9.97
Side Kl is 4.87
Angle L is 64
Step-by-step explanation:
Hope this Helps
Sorry if I'm wrong!
A. 4.26
60 cm equals 0.06 meters, then add it all up and get 4.26. (: hope this helped
9. Wrong name for this angle: <2
10. Wrong name for this angle: <3
