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What are the trapezoid attributes?
Trapizoid attributes: 0parralel, lines, 4sides, quadrilatiral. Hope this helps:)
What is the sum of all angles in a quadrilatiral?
A quadrilateral is a 4 sided closed shape, like a square or rectangle. There's also a rhombus (tilty, squished square), diamond, parrallelogram, and many others. As long as it has 4 sides and is closed, it's a quadrilateral. Quad means 4. Every quadrilateral has 4 angles inside, as well as 4 sides. An easy example is a square, or rectangle. Pick up a textbook if you're having trouble visualizing, or draw a square on a piece of paper. Squares (and rectangles) have four 90 degree angles. 4*90 = 360 degrees in a quadrilateral. Side note: The sum of the angles in a triangle is 180 degrees. What about shapes with 5 sides... 6 sides... or more? Do you think a 5-sided shape will have 360 degrees in angle sums? More or less?
What are the kinds of polygons?
3.Triangle4.Quadrilateral5.Pentagon6.Hexagon/Septagon7.Heptagon8.Octagon9.Nonagon10.DecagonNote that many of those listed above are regularpolygons, meaning that they have sides that are equal length and congruent angles. There are also star-shaped regular polygons.Since any two dimensional enclosed path of line segments is a polygon, there are an infinite number of kinds of them.Polygons are named after the number of sides which range upwards from 3 - without limit.They may be regular (if all their sides are congruent AND all their angles are as well) or irregular.They may be convex (a line joining any two points on the boundary of the polygon is wholly inside the boundary) or concave.
