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A stained glass window has been designed in the pattern shown using regular polygons. Find the measure of the marked angle. A) 60° B) 90° C) 150° D) 170°
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A stained glass window has been designed in the pattern shown using regular polygons. Find the measure of the marked angle.

A) 60°
B) 90°
C) 150°
D) 170°

A stained glass window has been designed in the pattern shown using regular polygons-example-1
User Beckie
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2 Answers

2 votes
The answer will be C 
User Kreychek
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7.6k points
4 votes
Hello!

A square has 90°angles

A equilateral triangle has 60° angles

90 + 60 = 150

The answer is 150°

Hope this helps!
User MichaelBell
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8.3k points
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