Side lengths in similar triangles | 8th grade math (IM v.360 aligned) | Khan Academy

"Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/8th-grade-illustrative-math/unit-2-dilations-similarity-and-introducing-slope/lesson-9-side-lengths-quotients-in-similar-triangles/v/side-lengths-in-similar-triangles Calculate missing side lengths in similar triangles by using proportional reasoning within triangles and scale factors between triangles. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc"