We've now seen examples of multiple figure and solids Problem Solving questions, but there is one more approach testmakers use to make geometry Problem Solving difficult. Coordinate geometry is really a blend of both geometry and algebra, and the most difficult coordinate geometry problems may require the use of algebraic equations.
But coordinate geometry doesn't have to be difficult; not all coordinate geometry questions require algebra. In fact, many are quite similar to regular geometry questions, and your knowledge of triangles, rectangles and circles will help you through many of these problems.
A few key facts will provide you with the background you need to manage coordinate geometry. Let's review these key facts briefly, and then move on to an example:
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