This math topic focuses on calculating the area of acute triangles using their coordinates on a Cartesian grid. Each problem presents a triangle placed in the first quadrant, and students must determine the area from given vertex coordinates. This topic is a specific part of broader exercises aimed at practicing triangle area computations, providing both diagrams and numerical answers for verification. The given examples range from simple to more complex configurations, helping students understand the geometrical concept of area calculation in a 2D space through visualization and application.
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Find the area of the triangle formed by these coordinates