<prompt> Calculate the area of a triangle with side lengths of 3 cm, 4 cm, and 5 cm.  <response>: For calculating the area of a triangle using the three sides, we can use Herons Formula. First, we need to calculate the semiperimeter of the triangle, which is a b c 2. In this case, a, b, c are the side lengths of the triangle: Semiperimeter s 3 4 5 2 6 cmNow we can apply Herons Formula to calculate the area A:A ss-as-bs-cA 66-36-46-5A 6321A 36A 6 cm2The area of the triangle with sides of length 3 cm, 4 cm, and 5 cm is 6 cm2. 