Your answer : is b (the letter b)
U can use the cosine or sine rules depending on the question/triangle
Solution:
<em>Simple Interest = Principal Amount × Rate of Interest/100 × Time</em>
Here, Principal Amount = $6000
Rate of Interest = 6%
Time = 4 years
Simple Interest = 6000 × 6/100 × 4 = <em>$1440</em>
Hello
A. will be your answer.
Hoped This Helped! :D