as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
given the three points a(2, 4), b(-1, 6) and c(-3, 0), find the area of the triangle abc.
user
the area of the triangle abc is 8.5 square units.
assistant