These open-and-learn textbooks guide students through each topic. They are written to help students learn at their own pace, whether they are in a classroom or studying math at home.Summit Math books are for curious students who want learning to feel like a journey. The scenarios are arranged to show how new math concepts are related to previous concepts they have already learned. Students naturally learn at different paces and these books help teachers manage flexible pacing in their classes. Learn more at www.summitmathbooks.com.Topics in this book: The Pythagorean TheoremThe distance between two pointsThe Distance FormulaDividing a square to make a special right triangleThe 45-45-90 triangleDividing an equilateral triangle to make a special right triangleThe 30-60-90 triangleRight triangle scenariosCumulative ReviewAnswer Key Book description: In this book, students will review the Pythagorean Theorem and then learn that they can use right triangles to create the Distance Formula. They will discover that they can use squares to learn about 45-45-90 triangles. They will realize that 30-60-90 triangles are hidden inside equilateral triangles. They will use the Pythagorean Theorem in many different ways as they encounter a wide variety of right triangle scenarios. This book comes at the end of the Algebra 2 Series to prepare students for future learning in Geometry and Trigonometry.Student testimonials: "This is the best way to learn math.""Summit Math books are unlike typical textbooks. It doesn't matter how you learn or what speed you go at...you can learn at your own pace while still understanding all the material.""Summit Math Books have guided me through algebra. They are the stepping stones of what it takes to think like a mathematician...""I really enjoy learning from these books...they clearly demonstrate how concepts are built over other concepts.""You don't just memorize, you actually understand it."Parent testimonials: "Summit Math Books not only helped my daughter learn the math, they helped her to love learning math in and of itself Summit Math books have a fun, self-paced way to explain math concepts...""I am absolutely thrilled with this math program. The books are so well organized and the content builds from one lesson to the next.""We are really impressed and grateful for our boys' understanding of what the math means, not just how to get problems right...we should all learn to understand math this way.""As the mother of a teenage