D C S Given: Rectangle DNSC with diagonals DS and NC Prove: DS NC N REASON 1. Rectangle DNSC with diagonals DS and NC 2. DC NS 3. ZDCS and LNSC are right angles. 4. ZDCS LNSC 5. 6. ABAD ACDA 7. DS NC STATEMENT 1. Given 2. 3. 4. 5. Reflexive property. 6. 7. Corresponding parts of congruent triangles are congruent.

D C S Given: Rectangle DNSC with diagonals DS and NC Prove: DS NC N REASON 1. Rectangle DNSC with diagonals DS and NC 2. DC NS 3. ZDCS and LNSC are right angles. 4. ZDCS LNSC 5. 6. ABAD ACDA 7. DS NC STATEMENT 1. Given 2. 3. 4. 5. Reflexive property. 6. 7. Corresponding parts of congruent triangles are congruent.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter1: Line And Angle Relationships

Section1.CR: Review Exercises

Problem 31CR: The sum of the measures of all three angles of the triangle in Review Exercise 30 is 180. If the sum...

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