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Colorado Geometry Course | Master High School GeometryHelp

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ID

Standard

StudyPug Topic

CC.HSG.CO.A.1

Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.

CC.HSG.CO.A.2

Represent transformations in the plane using, e.g., transparencies and geometry software; describe transformations as functions that take points in the plane as inputs and give other points as outputs. Compare transformations that preserve distance and angle to those that do not.

CC.HSG.CO.A.3

Given a rectangle, parallelogram, trapezoid, or regular polygon, describe the rotations and reflections that carry it onto itself.

CC.HSG.CO.B.6

Use geometric descriptions of rigid motions to transform figures and to predict the effect of a given rigid motion on a given figure; given two figures, use the definition of congruence in terms of rigid motions to decide if they are congruent.

CC.HSG.CO.B.7

Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.

CC.HSG.CO.B.8

Explain how the criteria for triangle congruence (ASA, SAS, and SSS) follow from the definition of congruence in terms of rigid motions.

CC.HSG.CO.C.10

Prove theorems about triangles.

CC.HSG.CO.C.11

Prove theorems about parallelograms.

CC.HSG.CO.D.12

Make formal geometric constructions with a variety of tools and methods.

CC.HSG.CO.D.13

Construct an equilateral triangle, a square, and a regular hexagon inscribed in a circle.

CC.HSG.SRT.A.1

Verify experimentally the properties of dilations given by a center and a scale factor.

CC.HSG.SRT.A.2

Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.

CC.HSG.SRT.B.5

Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.

CC.HSG.SRT.C.6

Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.

CC.HSG.SRT.C.7

Explain and use the relationship between the sine and cosine of complementary angles.

CC.HSG.C.A.1

Prove that all circles are similar.

CC.HSG.C.A.2

Identify and describe relationships among inscribed angles, radii, and chords.

CC.HSG.C.A.3

Construct the inscribed and circumscribed circles of a triangle, and prove properties of angles for a quadrilateral inscribed in a circle.

CC.HSG.C.A.4

Construct a tangent line from a point outside a given circle to the circle.

CC.HSG.C.B.5

Derive using similarity the fact that the length of the arc intercepted by an angle is proportional to the radius, and define the radian measure of the angle as the constant of proportionality; derive the formula for the area of a sector.

CC.HSG.GPE.A.1

Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an equation.

CC.HSG.GPE.A.2

Derive the equation of a parabola given a focus and directrix.

CC.HSG.GPE.A.3

Derive the equations of ellipses and hyperbolas given the foci, using the fact that the sum or difference of distances from the foci is constant.

CC.HSG.GPE.B.5

Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems.

CC.HSG.GPE.B.6

Find the point on a directed line segment between two given points that partitions the segment in a given ratio.

CC.HSG.GPE.B.7

Use coordinates to compute perimeters of polygons and areas of triangles and rectangles, e.g., using the distance formula.

CC.HSG.GMD.A.1

Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone.

CC.HSG.GMD.A.3

Use volume formulas for cylinders, pyramids, cones, and spheres to solve problems.

CC.HSG.GMD.B.4

Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects.

CC.HSG.MG.A.1

Use geometric shapes, their measures, and their properties to describe objects.

CC.HSG.MG.A.2

Apply concepts of density based on area and volume in modeling situations.

CC.HSA.SSE.A.1

Interpret expressions that represent a quantity in terms of its context.

CC.HSA.SSE.B.3

Choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression.

CC.HSA.CED.A.1

Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions.

CC.HSA.CED.A.2

Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales.

CC.HSA.CED.A.3

Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or non-viable options in a modeling context.

CC.HSA.CED.A.4

Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.

CC.HSA.REI.C.7

Solve a simple system consisting of a linear equation and a quadratic equation in two variables algebraically and graphically.

CC.HSS.ID.B.6

Represent data on two quantitative variables on a scatter plot, and describe how the variables are related.
Complete Geometry Coverage

Topics

108

Video Lessons

692

Practice Questions

617

Average Mastery Time

6 months

Why Colorado Geometry Students Love StudyPug

Built specifically for Colorado high school success

Colorado Curriculum Aligned
Colorado Curriculum Aligned

Every lesson matches Colorado Geometry standards—what you learn in class, we teach

Graduation Assessment Prep
Graduation Assessment Prep

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Frequently Asked Questions

Everything you need to know about mastering Geometry with StudyPug

What does Geometry coverage include?

Our Geometry course covers all Common Core standards including transformations and symmetry, congruent and similar figures, triangle proofs (SSS, SAS, ASA, AAS, HL), circle properties and proofs, coordinate geometry with distance and midpoint formulas, 3D geometry including surface area and volume, trigonometry basics with SOH CAH TOA, and conic sections. You get 692 video lessons and 677 practice questions aligned with your Colorado curriculum.

How does photo search work?

Just snap a photo of any geometry problem from your homework or textbook using your phone. Our AI instantly identifies the problem type and shows you the exact video lesson that explains how to solve it. It's like having a tutor who knows exactly what you're stuck on. Works with proofs, constructions, coordinate geometry, circles, triangles, and all other Geometry topics.

How many practice problems are available?

You get access to 677 practice questions for Geometry, covering every major topic from transformations to trigonometry. Each question includes step-by-step solutions so you can learn from mistakes. Questions range from basic concept checks to challenging proofs and real-world applications. Practice as much as you need until concepts stick—there's no limit.

What if I'm falling behind in Geometry?

StudyPug is perfect for catching up. Start with topics where you're struggling—our diagnostic can help identify weak areas. Watch video lessons at your own pace, rewatching as many times as needed. Practice with similar problems until you understand. Many students catch up within weeks by focusing on foundational concepts first, then building up to current classwork. You can learn 24/7, so you're never waiting for help.

Does StudyPug help with Geometry exams?

Yes! Our Geometry course prepares you for unit tests, semester finals, and Colorado graduation assessments. Practice with exam-style questions, review common proof types, and master essential formulas. Many students use StudyPug to create custom study plans before tests—focus on your weakest topics first. The step-by-step solutions teach problem-solving strategies that work across different question formats.

How much does StudyPug cost?

StudyPug offers flexible monthly and annual plans with unlimited access to all Geometry content—all 692 videos and 677 practice questions. Most students choose annual plans for the best value. You can use StudyPug across all your devices, and there's no limit on how many lessons you watch or practice questions you complete. Check our pricing page for current rates and any student discounts available for Colorado.

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