Mathematics, 07.04.2020 04:51, gtrsoccer

UNIT 5 SIMILARITY, RIGHT TRIANGLE TRIGONOMETRY, AND PROOF
Lesson 5: Proving Theorems About Lines and Angles
Use the diagram that follows to solve problems 9 and 10.
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9. Given that ABCD. prove that 22. 23. and Z4 are right angles.
10. Given that AB is the perpendicular bisector of CD, AC = 10r -21, and AD = 7x + 18, find the
value of

UNIT 5 SIMILARITY, RIGHT TRIANGLE TRIGONOMETRY, AND PROOFLesson 5: Proving Theorems About Lines and

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UNIT 5 SIMILARITY, RIGHT TRIANGLE TRIGONOMETRY, AND PROOF
Lesson 5: Proving Theorems About Line...