ਤ੍ਰਿਭੁਜਾਂ ਦਾ ਖੇਤਰਫਲ

A scalene triangle. There is a dashed line that is perpendicular to the base from the base to the opposite vertex. The dashed line creates two right triangles. An arrow shows the length of the base is labeled 8. The dashed line is labeled 4. The longest side of the bottom right triangle is labeled 5.