Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.

Jon Michail is Founder & Group CEO of Image Group International & best-selling author of Life Branding. Follow him on LinkedIn & Twitter. Socrates once said, “The way to gain a good reputation is to ...

Josh Posamentier (l) and Abe Yokell (r), managing directors of Congruent Venture Capital, the largest early-stage ClimateTech venture fund in the U.S. At the risk of sounding like Chauncy Gardner – ...