Introduction to deductive geometry Ex.9_3

# Introduction to deductive geometry Ex.9_3 - In the figure...

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Liu Po Shan Memorial College F. 2 Mathematics ( 10 -1 1 ) Worksheet Topic : Introduction to deductive geometry Ex.9-3 Name : __________________(           ) Class : ____________ Date  __________________            Score : ____________ Chapter 9.2 Deductive approach to properties of Geometric Figures Let’s Do Some Exercises! 1. In the figure, DE AB // . Prove h k BCE - = . 2. In the figure, UT RS PQ // // , ° = 66 PQR and ° = 114 STU . Prove ST QR // 3.

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Unformatted text preview: In the figure, ABC, CDE, AFD and BFE are straight lines. Prove z y x a + + = 4. In the figure, ED BC // . ° = ∠ 30 ABE , ° = ∠ 100 BED and ° = ∠ 70 BCD , Prove CD AB // 5. In the figure, DE AB // . Prove ° = +-180 z y x 6. In the figure, ABDG, CEG, ACF, and DEF are straight lines. ° = ∠ 20 AGC , ° = ∠ 30 ACB , ° = ∠ 40 CEF and DF BC // . (a) Find GCF ∠ (b) Prove FA GA ⊥...
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