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Trapezium in whichdicular DE and CF onCF = h (say)d EFCD is a rectangleMensuration 2DС Chb + a + c6CCD = area of AAED + area of rectangle EFCD + area of ACFB-h(b + 2a + c)A bЕ2bxh+axh+{cxh = n(b + 2a + c)h(b + a + c + a) = {h(AB + DC)F CB12.sum of parallel sides x distance between them.1sum of parallel sides x di |
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