
This year's Geometry Holt textbook covers from linear equations to quadratic equations. The online textbook virtually displays book pages and student resources, such as videos and activities, worksheets, and diagnostic tests. Each chapter offers student practice, internet resources, and lesson resources. You must have a username and password ready for login to access the online textbook. Click on the link below to access your online textbook now!In addition, Khan Academy is an online site that provides free video tutorials on various Geometry contents, interactive web assessments and practices, and online lessons that are aligned to the Common Core Curriculum Standards. Check out our Khan Academy archive below by visiting our Khan Academy Link Library.Don't forget to visit the parent portal and math faculty webpages to keep up with daily activities.Every summer, we advise that you continue to master basic math vocabulary and arithmetic skills by completing our Summer Bridges. Click on the link below to download and complete the Summer Bridges. Hand it in on the first days of school, and you are all ready to begin the year in the right path!Thank you for visiting! We hope to hear from you soon!
Khan Academy Link Library

Chapter 1 Foundations for Geometry
This chapter offers introductory topics to Geometry such as points, lines, angles, formulas, area, perimeter, and transformation, all of which will be covered throughout the textbook. This section of Khan Academy introduces Euclidean Geometry  language, notation, lines, line segments, rays, planes, and geometric definitions. 
Chapter 1 Foundations of Geometry  Angles
This section of Khan Academy covers angles from Chapter 1. Check out the following for more support!Video  Angle BasicsVideo  Measuring angles in degreesVideo  Using a protractorVideo  Measuring anglesPractice  Measuring anglesVideo  Acute, right, and obtuse anglesPractice  Angle types 
Chapter 1  Foundations of Geometry  Formulas
In this section, Sal Khan covers the distance formula and midpoint formula introduced in CXhapter 1. Look at soeme of these videos and practices to help you with this concept. 
Chapter 1  Foundations of Geometry  Area and Perimeter
Sal Khan offers from basic to advanced area and perimeter problems, which will later be introduced throughout this textbook. In Chapter 1, the textbook covers basic area and perimeter of triangle, rectangle, and circles. Watch the following videos and practices for more help with area and perimeter in Chapter 1.Video  Perimeter and area basicsPractice Area of trianglesVideo  Circles: Radius, diameter, and circumferenceVideo  Parts of a circlePractice  Radius, diameter, and circumferenceVideo  Area of a circlePractice  Area of a circle 
Chapter 1 Foundations of Geometry  Transformations
This section of Khan Academy offers support in transformations, which you will later see in Chapter 9. Check out these videos and practices to help you with showing congruence by rigid transformation. 
Chapter 3  Parallel and Perpendicular Lines
This section of Khan Academy offers many videos and tutorials based on parallel and perpendicular lines. 
Chapter 4  Triangle Congruence (Triangle Angle Sum Theorem)
Sal Khan offers many lessons, video tutorials, and practices on triangle congruence. Follow the link for more support in proving the sum of measures of angles in a triangle are 180. Try some challenging triangle angle problems. 
Chapter 4  Triangle Congruence (Transformations, Postulates, and Theorems)
Watch Sal Khan deliver some lessons on triangle congruence by transformation, use postulates and theorems (SSS, SAS, AAS, ASA, HL Theorems and CPCTC) to prove triangles are congruent. 
Chapter 5  Properties and Attributes of Triangles
Khan Academy offers many tutorials and practices on Properties and Attributes of triangles. This section includes video tutorials and interactive practices based on the perpendicular bisectors & circumcenter, angle bisector &incenter, altitudes & orthocenter, and medians & centroid of triangles. 
Chapter 5  Properties and Attributes of Triangles (Triangle Inequality Theorem)
A section in Chapter 55 Inequality in One triangle covers the Triangle Inequality Theorem. Sal Khan delivers a lesson on Triangle Inequality Theorem, followed by an interactive practice. 
Chapter 5  Properties and Attributes of Triangles (Pythagorean Theorem)
Sal Khan covers right triangles in this section. He introduces the Pythagorean Theorem and shows how to use it in three examples. There is also an interactive practice to better support your progress! 
Chapter 5  Properties and Attributes of Triangles (Special Right Triangles)
Sal Khan covers the last section of Chapter 5  Special Right Triangles. He covers the 306090 triangle side ratios and the 454590 tirangle side ratios. There is also an interactive practice in using special right triangles. He also shows you how to find the area of a regular hexagon using special right triangles. Try it! 
Chapter 6  Quadrilaterals (Properties and Proofs)
Sal Khan delivers lessons on properties and proofs of quadrilaterals including parallelograms, special parallelograms (rectangles, squares, rhombus). He also has a video on area of parallelograms. 
Chapter 6  Quadrilateral (Area and perimeter)
This section of Khan Academy focuses on perimeter and area of non standard shapes. Sal Khan covers area and perimeter of parallelogram, trapezoid, kite, and rhombus 
Chapter 7  Similarity
Sal Khan covers most of the topics in Chapter 7 including definition of similarity, dilation, triangle similarity (postulate and theorems), and finding area using similarity ratio. Try some challenging similarity problems. 
Chapter 8  Trigonometry
Sal Khan delivers basic trigonometry lessons by using sine, cosine, and tangent ratios. He shows several examples of when and how to use them, and offers many interactive practices in trigonometry. 
Chapter 8  Trigonometry (Law of Sines and Cosines)
Sal Khan offers lessons and interactive practices in law of sines and cosines. Use the interactive practices to better your understanding in these two theorems! 
Chapter 11  Spatial Reasoning
Sal Khan offers lessons and interactive practice on solid geometry  volume and surface area of 3D models. In this section, he covers lessons on volume and surface area of prisms, cylinders, pyramids, cones, and spheres. 
Chapter 11  Spatial Reasoning (Cross Section)
Sal Khan covers a lesson and practice on cross sections, covered in Chapter 10, Section 1. 
Chapter 12  Circles
Sal Khan offers many lessons, video tutorials, and interactive practices on circles  arcs and sectors, central, inscribed and circumscribed angles, equation of a circle, area of inscribed triangle, and geometric models.