bsept841 bsept841 23-05-2023 Mathematics contestada In triangle ABC, side a = 5 units long, side b = 7 units long, side c = 8 units long. Find the measurement of angle A. O A = cos ¹(25) O A = cos ¹() O A=cos ¹(1) O A = cos ¹() Solve the equation:"