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Geometry: Section 3.5: Angles of a Polygon - (copy)

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What does the word polygon mean?, Many angles. Each polygon is formed by segments (sides) such that each segment intersects exactly two other segments, one at each endpoint and no two segments with a common endpoint are collinear (on the same line).
By looking at this picture, what is the difference between a convex and a concave polygon?, A convex polygon does not have a side of the polygon with a point in the interior of the polygon. A concave polygon does.
What do we call a 3-sided figure?, triangle
What do we call a four-sided figure?, quadrilateral
What do we call a five-sided figure?, pentagon
What do we call a six-sided figure?, hexagon
What do we call a seven-sided figure?, heptagon
What do we call an eight-sided figure?, octagon
What do we call a ten-sided figure?, decagon
What do we call the line of dashes that join two nonconsecutive vertices., diagonal
Use theorem 3.13 which states that the sum of the measures of a convex polygon with n sides is (n-2)180 to find the missing angle measurement., The sum of the angles of a pentagon is 540. The measurement of the missing angle is 135 degrees.
These are example of Theorem 3.14. Based on the pictures, what is Theorem 3.14?, The sum of the measures of the exterior angles of any convex polygon, one angle at each vertex, is 360 degrees.
What do we call a polygon that is both equiangular and equilateral?, Regular polygon
Use deductive thinking to provide the missing angle measurement.(An accepted theorem), Missing angle measurement is 117 degrees. My conclusion is based on Theorem 3.12 (the exterior angle is equal to the sum of the two remote angles)
Can you use inductive reasoning (patterns) to fill in the next rows of Pascal's triangle?, 1--5---10--10--5---1,


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