https://www.khanacademy.org/math/geometry/hs-geo-similarity/hs-geo-similar-and-congruent-triangles/v/finding-area-using-similarity-and-congruence 2021-02-16T16:08:13Z Using similar & congruent triangles Sal uses the similarity of triangles and the congruence of others in this multi-step problem to find the area of a polygon. Sal Khan video https://cdn.kastatic.org/googleusercontent/yh-_pryKWpLtA4-4m0KZHYThsIdK71i6O5KhnS3RFY9bfurA-bL_PAfq4uUIMBcJl5_d-3z2gBDn0tQp7107ZExBVA Using similar & congruent triangles Sal uses the similarity of triangles and the congruence of others in this multi-step problem to find the area of a polygon. https://cdn.kastatic.org/ka-youtube-converted/EqNzr56h1Ic.mp4/EqNzr56h1Ic.mp4 607 Solving problems with similar & congruent triangles https://www.khanacademy.org/math/geometry/hs-geo-similarity/hs-geo-similar-and-congruent-triangles/e/solving-problems-with-similar-and-congruent-triangles 2025-12-30T07:05:15.972746521Z Use similar triangles Solve geometry problems with various polygons by using all you know about similarity. Ben Stenhaug exercise https://www.khanacademy.org/math/geometry/hs-geo-similarity/hs-geo-similar-and-congruent-triangles/v/challenging-similarity-problem 2021-02-16T16:08:13Z Challenging similarity problem Interesting similarity problem where we don't have a lot of information to work with Sal Khan video https://cdn.kastatic.org/googleusercontent/avZnVGpP-16Lh3ylvPdUIck-eBBoxL4EXF5gnB8yDobyJQSMWw1qX-mlj_lOS0e8yMMI9Fv708mmQ8fPCWq4UQ Challenging similarity problem Interesting similarity problem where we don't have a lot of information to work with https://cdn.kastatic.org/ka-youtube-converted/7aGEvpHaNJ8.mp4/7aGEvpHaNJ8.mp4 593 Solving problems with similar & congruent triangles