What is the area of the triangle pictured above?

In triangle ABC above, the distance between point A and point D is 10 inches, and the area of the triangle is 20 square inches. What is the length of side BC?

In triangle ABC, side BC measures 12 meters, and the shortest straight-line distance between point A and side BC is 5 meters long. What is the area of triangle ABC?

The pictured right triangle has sides of 7, 24, and 25. What is the area of that triangle?

Calculate the area of the provided figure.