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The distance between two points and the section formula, including the midpoint.
Coordinate Geometry
Seventeen original Class 10 coordinate geometry questions with full solutions on distance, collinearity, identifying shapes, the section formula, midpoints, ratios, trisection and the centroid.
Coordinate Geometry
Derive the section formula using similar triangles, then use it for midpoints, ratios in k to 1 form, division by an axis, points of trisection, the missing vertex of a parallelogram and the centroid.
Coordinate Geometry
Learn the distance formula from Pythagoras, then use it to test collinearity, classify triangles and quadrilaterals, find unknown coordinates and locate equidistant points, with six worked examples.