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GMAT
GMAT Quantitative Section

Area of Triangle in Coordinate Plane

Easy Problem Solving Geometry

In a coordinate plane, let points A(2, 3), B(6, 7), and C(x, y) form a triangle. What is the area of triangle ABC?

The area of a triangle formed by three points A(x1, y1), B(x2, y2), and C(x3, y3) in the coordinate plane can be calculated using the formula:

$$ ext{Area} =\frac{1}{2} imes |x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2)| $$

Determine if the following statements provide sufficient information to calculate the area of triangle ABC:

Hint

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