B Kurt determined that the value of x in the triangle at the right was 10. a. Find the value of each angle by substituting 10 for x. mLA = 3()- 4= (3х - 4)° (9x+5) mzB = A C.

Elementary Geometry For College Students, 7e
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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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7. Kurt determined that the value of x in the triangle at the right was 10.
6x°
a. Find the value of each angle by substituting 10 for x.
mLA = 3()- 4 =
(3x-4)°
(9x + 5)
mzB =
A
m2C =
b. Was Kurt's solution ofx= 10 correct? How do you know?
1s Core - Course 3
ght C2018 All Rights Reserved
Lesson 6.3- Angle Sum of a Tring
188
Transcribed Image Text:7. Kurt determined that the value of x in the triangle at the right was 10. 6x° a. Find the value of each angle by substituting 10 for x. mLA = 3()- 4 = (3x-4)° (9x + 5) mzB = A m2C = b. Was Kurt's solution ofx= 10 correct? How do you know? 1s Core - Course 3 ght C2018 All Rights Reserved Lesson 6.3- Angle Sum of a Tring 188
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