Mathematics, 02.07.2019 09:30, cristinamiu8169

In trapezoid abcd, points m and n are arbitrary points on bases ab and cd respectively. find the area of the trapezoid, if area abn=23 cm^2 and area cdm=18 cm^2.

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In trapezoid abcd, points m and n are arbitrary points on bases ab and cd respectively. find the are...