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Introduction to proofs: Identifying geometry theorems and postulates C congruent ? Explain using geometry concepts and theorems: 1) Why is the triangle isosceles? 2) Why is an altitude? 3) Why are the triangles congruent? 4) Why is NM a median? 5) If ABCD is a parallelogram, why are LA and 6) Why are the triangles congruent?
Definitions, Notes, & Examples. Topics include triangle characteristics, quadrilaterals, circles, midpoints, SAS, and more.
Chapter 2: Proofs 16 Conditional Statements (Original, Converse, Inverse, Contrapositive) 17 Basic Properties of Algebra (Equality and Congruence, Addition and Multiplication)
GEOMETRY POSTULATES AND THEOREMS Postulate 1: Through any two points, there is exactly one line. Postulate 2: The measure of any line segment is a unique positive number. The measure (or length) of AB is a positive number, AB. Postulate 3: If X is a point on and A-X-B (X is between A and B), then AX + XB = AB
Fill in the missing statements or reasons for the following two-column proof. Given: 45 + 2(x -10) = 85 Prove: x = 30. This line tells you everything that has been ________, or everything that is known to be true. This line tells you what you must ________.
Perpendicular Lines (p79) Ruler Postulate: The points on a line can be matched one to one with the real numbers. The real numbers that correspond to a point is the coordinate of the point. The distance between points A and B, written as AB, is the absolute value of the difference between the coordinates A and B. Segment Addition Postulate:
Study with Quizlet and memorize flashcards containing terms like Angles, Basic Properties for proofs, Parallel lines and transversals and more.
