'Cpctc' diaporamas de présentation

Powerpoint Jeopardy

Powerpoint Jeopardy. List all the congruent corresponding parts. Write a congruency statement. A. C. X. Q. B. R. What does CPCTC stand for?. Name the common part(s) of triangles APQ and BQA. Name all the corresponding parts of triangle ADC and triangle BCD. y. Find the value of y.

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40?

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Chapter 9 Summary Project

Jeffrey Lio Period 2 12/18/03. Chapter 9 Summary Project. Parallelism. Definitions:. Skew Lines : Any two non-coplanar lines that do not intersect. L 1 and L 2 are skew lines. Parallel Lines : Any two coplanar lines that do not intersect. L 1 and L 2 are parallel lines.

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4-6

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Chapter 3.3 CPCTC and Circles

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5-Minute Check 1

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4.3 Congruent Triangles

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Warm Up 1. If ? ABC ? ? DEF , then ? A ? ? and BC ? ? .

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Given: BA = BC <ABD = <CBE Prove: BE = BD (by proving ?ABE = ?CBD)

B. Given: BA = BC <ABD = <CBE Prove: BE = BD (by proving ?ABE = ?CBD). <1. <2. <3. <4. <5. <6. <7. A. C. E. D. Statement Reason BA = BC given <ABD = <CBE given. B. Given: BA = BC <ABD = <CBE Prove: BE = BD (by proving ?ABE = ?CBD). <1. <2. <3. <4. <5. <6. <7.

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Geometry Mini-Lesson

Geometry Mini-Lesson. Mary is asked to prove that is congruent to in the figure.

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11. No, need ?MKJ ? ?MKL

11. No, need ?MKJ ? ?MKL 12. Yes, by Alt Int Angles ?SRT ? ?UTR and ?STR ? ?URT; RT ? RT (reflex) so ? RST ? ? TUR by ASA 13. ?A ? ?D Given ?C ? ?F AAS 14. No need to know ?K and ?H are rt ?s

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Using Congruent Triangles

Using Congruent Triangles. Section 4-3 Part 2. Helpful Information. Deducing information about segments and angles AFTER proving that the two triangles are congruent. Sometimes it will be helpful to plan the proof before you get started. Remember to start with the 3-2-1.

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Theorem

Theorem. A quadrilateral is a parallelogram if and only if the diagonals bisect each other. . The diagonals bisect each other. Line segment DE is congruent to line segment EB & line segment AE is congruent to line segment EC. . What am I trying to prove?. ABCD is a parallelogram.

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