- 相似形_CollectionProportions in similar trianglesSimilar TrianglesVolumes and Surface Areas of Similar CuboidsSimilar TrianglesProperties of Dilationssquare roots in a greek way...fractions in a greek way...the golden ratiodivision of a segmentthe intersept (thales) theorem相似な図形の作図平行線と比の定理を利用した証明三角形と比の定理の証明２ピラミッドの高さ相似三角形Geometric Mean Madness! (GoGeometry Action 84)GoGeometry Action 95!
