10.1: Vocabulary Self-Rating Difficulty Level: At Grade Created by: CK-12 Share Add to Library Turn In Read Resources Details Rating Guide: DK: I am sure I don’t know it K: I am sure I know it ?: I’m not sure Word Before Lesson/Unit After Lesson/Unit Distance Overbar Estimation Estimate Ruler Absolute value x−y coordinate plane x−coordinate y−coordinate Right triangle Pythagorean Theorem Distance Formula Midpoint Equidistant Slope Undefined Parallel Perpendicular Slope-intercept form y−intercept Circle Center Radius Leg Hypotenuse Concentric Translation Prime Preimage Image Isometry Reflection Perpendicular bisector Rotation Angle of rotation Arc Central angle Diameter Acute Complementary Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Image Attributions Show Hide Details Description No description available here... Authors: CK12 Editor Tags: angles circles coordinate plane (10 more) distance formula Lines Parallel Lines perpendicular lines proving parallel lines reflections rotations symmetry transformations translations Subjects: Geometry Concept Nodes: MAT (Mathematics) MAT.GEO.922 (Geometric Transformations) Grades: 8 , 9 , 10 Date Created: Feb 23, 2012 Last Modified: May 12, 2014 Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the section. Click Customize to make your own copy.