A polygon is such that when all diagonals from one vertex are drawn, eleven triangles are formed. How many sides does the polygon have?
Question
Updated 9/17/2014 3:12:26 AM
Flagged by yeswey [9/17/2014 3:11:40 AM]
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Original conversation
User: A polygon is such that when all diagonals from one vertex are drawn, eleven triangles are formed. How many sides does the polygon have?

User: The measures of the angles of a triangle are 2x, 3x, and 4x. What is the degree measure of the largest angle of the triangle?

Question
Updated 9/17/2014 3:12:26 AM
Flagged by yeswey [9/17/2014 3:11:40 AM]
Rating
3
The measures of the angles of a triangle are 2x, 3x, and 4x.
2x + 3x + 4x = 9x = 180
x = 180/9 = 20
the degree measure of the largest angle of the triangle is 4(20) = 80 degrees.
Confirmed by andrewpallarca [9/17/2014 3:37:18 AM]

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