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1 Basics of Geometry. 1.1 Points, Lines, and Planes. 1.2 Measuring and Constructing Segments. 1.3 Using Midpoint and Distance Formulas. 1.4 Perimeter and Area in the Coordinate Plane. 1.5 Measuring and Constructing Angles.
The Midpoint Formula. The coordinates of the midpoint of a segment are the averages of the x-coordinates and of the y-coordinates of the endpoints. If A(x 1, y 1) and B(x 2, y 2) are points in a coordinate plane, then the midpoint M of AB — has coordinates.
Mathematical Thinking: Mathematically proficient students can apply the mathematics they know to solve problems arising in everyday life, society, and the workplace. 1.1 Points, Lines, and Planes 1.2 Measuring and Constructing Segments 1.3 Using Midpoint Formulas 1.4 Perimeter and Area in the Coordinate Plane 1.5 Measuring and Constructing Angles
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Geometry: Name points, lines, planes, segments and rays. Find segment lengths using the Rule Postulate, the Segment Addition Postulate, midpoints, segment bisectors and the Distance Formula. Classify polygons and angles. Find perimeters and areas of polygons in the coordinate plane.
