Triangle Area Calculation: Using BC=6cm and KD=4cm Measurements

To determine whether we can calculate the area of triangle ABC, let's analyze the given data:

• We are provided with the length of side BC as $6$ cm.
• We are also informed about KD having a length of $4$ cm, but its specific role in triangle ABC is unclear without a detailed diagram or context.

To find the area of a triangle, typically, one would need either:

• All three side lengths (to use Heron's Formula),
• A base and its corresponding height, or
• Two sides and the included angle.

In this scenario, with the limited information given, none of these approaches is viable. We lack data such as another side length of triangle ABC beyond BC, an angle specifically within triangle ABC, or clarification on how KD relates to ABC's base or height.

Therefore, it is not possible to calculate the area of triangle ABC with the information provided.

Finally, we conclude that the correct choice is: It is not possible to calculate the area of the triangle with the given information.