Angles A and B are "supplementary", so they add to 180 degrees, and you know that angle A is (3x-y) degrees and angle B is (x+2y-42) degrees. Angles B and C are equal to each other, and you know that Angle C is (3y-(1/13)x) degrees. What is the measure of angle A?

Angles A and B are "supplementary", so they add to 180 degrees, and you know that angle A is (3x-y) degrees and angle B is (x+2y-42) degrees. Angles B and C are equal to each other, and you know that Angle C is (3y-(1/13)x) degrees. What is the measure of angle A?

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter3: Math Models

Section3.4: Solve Geometry Applications: Triangles, Rectangles, And The Pythagorean Theorem

Problem 3.76TI: The measure of one angle of a right triangle is 30° more than the measure of the smallest angle....

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