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11.1—Areas of Triangles and Parallelograms. Vocab. Height – Perpendicular distance between bases Area Congruence Postulate – If two polygons are congruent, then they have the same area Area Addition Postulate – The area of a region is the sum of the areas of its non-overlapping parts
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Vocab • Height – Perpendicular distance between bases • Area Congruence Postulate – If two polygons are congruent, then they have the same area • Area Addition Postulate – The area of a region is the sum of the areas of its non-overlapping parts • TOTAL AREA = area(1)+area(2)+area(3)