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GeoGebra Lesson
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Area of a trapezium (using formula)
Author:
Andrew Bone
,
Mr Andon
Area of a trapezium.
GeoGebra
Change the size of the trapezium. See the relationship between the parts of the trapezium and the area.
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이등변삼각형의 두 밑각의 크기는 같다.(The base angles of an isosceles triangle are congruent.)
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