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Slide Notes

In Euclidean geometry, an isosceles trapezoid is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides, making it automatically a trapezoid. Some sources would qualify this with the exception: "excluding rectangles.
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Isosceles trapezoid

Published on Jan 02, 2016

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PRESENTATION OUTLINE

Isosceles trapezoid

A convex quadrilateral with a line of symmerty
In Euclidean geometry, an isosceles trapezoid is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides, making it automatically a trapezoid. Some sources would qualify this with the exception: "excluding rectangles.

square

A plane figure with four equal straight sides

Radius

A Straight line from the center to the circumferences

Kite

A quadrilterial having two parts of equal adjacent sides

Regular polygon

All angles are equal

regular trapezoid

base and the length of the median equals one-halef the sum of the two bases

diagonal

two opposite corners of a square,rectangle and other shapes

quadrilateral

a four sided figure

parallelogram

A four sided plane rectilinear figure with opposite sides parallel

rectangle

A plane figure with four straight sides four right angles

area

A part of an object or surface

rhombus

Any parallelogram with equal sides 

polygon

A plane figure with a least threesides and angles.