which statements about finding the area of the equilateral triangle are true? check all that apply.
the apothem can be found using the pythagorean theorem.
the apothem can be found using the tangent ratio.
the perimeter of the equilateral triangle is 15 cm.
the length of the apothem is approximately 2.5 cm.
the area of the equilateral triangle is approximately 65 cm2.