isosceles trapezoid- is a convex quadrilateral with a

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Slide Notes

isosceles trapezoid- is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides,

Published on Dec 11, 2015

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PRESENTATION OUTLINE

isosceles trapezoid-

is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides,

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regular trapezoid-
a convex quadrilateral with at least one pair of parallel sides

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quadrilateral is a polygon with four sides and four vertices or corners

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rectangle-
any quadrilateral with four right angles

Photo by mark sebastian

rhombus-
simple quadrilateral whose four sides all have the same length

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square-
a shape with 4 90 degree angles with all equal sides

Photo by <Fernando>

kite-
a quadrilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other

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diagonal

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parallelogram-
a simple quadrilateral with two pairs of parallel sides

Photo by Timothy Valentine

area- the quantity that expresses the extent of a two-dimensional surface or shape,

Photo by David Paul Ohmer

polygon-
a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit

Photo by EricGjerde

radius-
a line segment from its center to its perimeter

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regular polygon-
polygon that is equiangular and equilateral. Regular polygons may be convex or star.

Photo by EricGjerde

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