بوربوينت زوايا المثلث



Angles of a triangle

ØPolygon – a closed many straight-sided figure.

ØAngle – two rays that meet at a common end point.

ØDegree – a unit of measurement of an angle or arc, represented by the symbol º.




Triangle – a polygon with 3 angles and 3 straight sides

ØThe sum of all the angles equals 180º degrees.




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