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The sum of all interior angles in a triangle is 180°. The triangle below shows the angles A, B, and C in terms of x. 9-4x 2x-6 12x+7 B. Which equation can be used to determine the value of x?

The sum of all interior angles in a triangle is 180°. The triangle below shows the angles A, B, and C in terms of x. 9-4x 2x-6 12x+7 B. Which equation can be used to determine the value of x?

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
Chapter4: Quadrilaterals
Section4.4: The Trapezoid
Problem 43E
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6. * 10 points The sum of all interlor angles In a triangle is 180°. The triangle below shows the angles A, B, and C In terms of x. C. 9-4x Zx-6 12x+7 Which equation can be used to determine the value of x? G 21x-9= 180 10x +10 = 180
Transcribed Image Text:6. * 10 points The sum of all interlor angles In a triangle is 180°. The triangle below shows the angles A, B, and C In terms of x. C. 9-4x Zx-6 12x+7 Which equation can be used to determine the value of x? G 21x-9= 180 10x +10 = 180
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