Enjay3591 Enjay3591 01-11-2017 Mathematics contestada Triangle ABC is an equilateral triangle with side lengths labeled a, b, and c. Trigonometric area formula: Area = Which expressions represent the area of triangle ABC? Check all that apply. Triangle ABC is an equilateral triangle with side lengths labeled a, b, and c. Trigonometric area formula: Area = Which expressions represent the area of triangle ABC? Check all that apply.