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C AABC is an isosceles triangle in which angles B and C are congruent. If mzB = (2x + 16)° and mzC = (3x - 11)°, find the measure of angle A. A) 27° B) 40° C) 60° D) 70°

C AABC is an isosceles triangle in which angles B and C are congruent. If mzB = (2x + 16)° and mzC = (3x - 11)°, find the measure of angle A. A) 27° B) 40° C) 60° D) 70°

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter7: Locus And Concurrence
Section7.CT: Test
Problem 8CT
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4) AABC is an isosceles triangle in which angles B and C are congruent. If mzB = (2x + 16)° and mzC = (3x - 11)°, find the measure of angle A. A) 27° B) 40° C) 60° D) 70° 5) A ABC is isosceles with mzB mzC. If mZA = 100°, mZB = (12x + 4)°, and mzC = (14x - 2)°, find x.
Transcribed Image Text:4) AABC is an isosceles triangle in which angles B and C are congruent. If mzB = (2x + 16)° and mzC = (3x - 11)°, find the measure of angle A. A) 27° B) 40° C) 60° D) 70° 5) A ABC is isosceles with mzB mzC. If mZA = 100°, mZB = (12x + 4)°, and mzC = (14x - 2)°, find x.
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