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If an exterior angle of a convex polygon measures (2x + 40)°, what is the measure of its interior angle in the same vertex of the given exterior angle?

If an exterior angle of a convex polygon measures (2x + 40)°, what is the measure of its interior angle in the same vertex of the given exterior angle?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Please solve it, step by step with complete detail and please provide the name of each property that you use here, as I am very weak in mathematics.

Thanks.

If an exterior angle of a convex polygon measures (2x + 40)°, what is the measure of its interior angle in the same vertex of the given exterior angle? A. 160° В. (140- 2х)° С. (70-х)° D. (160- х)°
Transcribed Image Text:If an exterior angle of a convex polygon measures (2x + 40)°, what is the measure of its interior angle in the same vertex of the given exterior angle? A. 160° В. (140- 2х)° С. (70-х)° D. (160- х)°
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