Measurement Of Angles

Given: The sides of the triangle are: Step 1: Simplify the given values We simplify the values of , , and : Step 2: Use the Cosine Rule to find the angle The cosine rule states: We substitute the values for , , and into the equation: Now simplify the equation to get the value of .
Step 3: Conclusion After simplifying the equation, we find that the smallest angle . Answer: The correct answer is option (c): .