9. Developing Proof Fill in the blanks reasons for the following two-column proof. Given: AB is the bisector of ZCAD. (7x +2) Prove: x = 9 5(x+4)° Statements Reasons 1) AB is the bisector of CAD. 1) Given 2) 2) т

9. Developing Proof Fill in the blanks reasons for the following two-column proof. Given: AB is the bisector of ZCAD. (7x +2) Prove: x = 9 5(x+4)° Statements Reasons 1) AB is the bisector of CAD. 1) Given 2) 2) т

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

Section1.4: Relationships: Perpendicular Lines

Problem 30E

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Question

P.O.E.
9. Developing Proof Fill in the blanks reasons for the following two-column proof.
Given: AB is the bisector of ZCAD.
(7x +2)°
Prove: x = 9
5(x +4)°
A
Statements
Reasons
1) AB is the bisector of CAD.
1) Given
2) т <CAВ - т <ВAD
2)
3)
7x + 2 = 5(x+ 4)
3)
4)
4)
5)
2x + 2 = 20
5)
6)
6) Subtraction Property of Equality
7)
7)
LT 3 Score:

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