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Geometry

High School Geometry Practice Problems

Transformations, proof, similarity, trigonometry, coordinate geometry, circles, measurement, and probability.

57 objectives
Objective 001 G-CO.1

Use precise definitions of angle, circle, perpendicular line, parallel line, and line segment from point/line/distance ideas.

Objective 002 G-CO.12

Perform formal constructions with compass/straightedge, paper folding, string, reflective devices, or geometry software.

Objective 003 G-CO.13

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

Objective 004 G-CO.2

Represent transformations as functions on points and compare distance/angle-preserving transformations with non-rigid transformations.

Objective 005 G-CO.3

Describe rotations and reflections that carry rectangles, parallelograms, trapezoids, or regular polygons onto themselves.

Objective 006 G-CO.4

Define rotations, reflections, and translations using geometric language: angles, circles, perpendicular/parallel lines, and segments.

Objective 007 G-CO.5

Draw transformed figures and specify transformation sequences mapping one figure to another.

Objective 008 G-CO.6

Use rigid motions to transform figures and decide whether two figures are congruent.

Objective 009 G-CO.7

Use rigid motions to show triangle congruence through corresponding sides and angles.

Objective 010 G-CO.8

Explain ASA, SAS, and SSS triangle congruence criteria from rigid-motion congruence.

Objective 011 G-CO.10

Prove triangle theorems including angle sum, isosceles base angles, midsegment theorem, and medians concurrence.

Objective 012 G-CO.11

Prove parallelogram theorems and their converses, including diagonal and rectangle results.

Objective 013 G-CO.9

Prove theorems about lines and angles: vertical angles, parallel-line angle relationships, and perpendicular bisectors.

Objective 014 G-SRT.1.a

Verify that dilations send non-center-passing lines to parallel lines and leave center-passing lines unchanged.

Objective 015 G-SRT.1.b

Verify that dilations scale line segments by the dilation scale factor.

Objective 016 G-SRT.2

Use similarity transformations to decide similarity and explain angle equality and side proportionality in triangles.

Objective 017 G-SRT.3

Use similarity transformations to establish the AA similarity criterion.

Objective 018 G-SRT.4

Prove triangle-similarity theorems, including proportional segments and the Pythagorean Theorem via similarity.

Objective 019 G-SRT.5

Use triangle congruence and similarity criteria to solve problems and prove geometric relationships.

Objective 020 G-SRT.6

Define trigonometric ratios for acute angles using right-triangle similarity.

Objective 021 G-SRT.7

Explain and use the complementary-angle relationship between sine and cosine.

Objective 022 G-SRT.8

Use trig ratios and the Pythagorean Theorem to solve right triangles in applied problems.

Objective 023 G-SRT.8.1

Derive and use trig ratios for 30-60-90 and 45-45-90 special right triangles.

Objective 024 G-SRT.10

Prove the Laws of Sines and Cosines and use them to solve problems.

Objective 025 G-SRT.11

Apply the Laws of Sines and Cosines to find unknown measurements in right and non-right triangles.

Objective 026 G-SRT.9

Derive the triangle area formula A=1/2ab sin(C) using an auxiliary altitude.

Objective 027 G-GPE.4

Use coordinates, distance, and algebra to prove or disprove simple geometric statements.

Objective 028 G-GPE.5

Prove and use slope criteria for parallel and perpendicular lines.

Objective 029 G-GPE.7

Use coordinate methods to compute polygon perimeters and areas of triangles/rectangles.

Objective 030 G-GPE.1

Derive the equation of a circle from center/radius and complete the square to identify center/radius.

Objective 031 G-GPE.2

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

Objective 032 G-GPE.4

Use coordinates to prove simple geometric theorems, including simple circle theorems.

Objective 033 G-GPE.6

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

Objective 034 G-C.1

Prove that all circles are similar.

Objective 035 G-C.2

Analyze relationships among inscribed angles, central angles, circumscribed angles, radii, chords, diameters, and tangents.

Objective 036 G-C.3

Construct inscribed/circumscribed circles of triangles and prove angle properties of cyclic quadrilaterals.

Objective 037 G-C.4

Construct a tangent line from an external point to a circle.

Objective 038 G-C.5

Derive arc length and sector area formulas using similarity; define radians and convert degrees/radians.

Objective 039 G-GMD.1

Explain circumference, area, and volume formulas using informal arguments such as dissection, Cavalieri, and limits.

Objective 040 G-GMD.3

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

Objective 041 G-GMD.5

Apply scale factors to length, area, and volume using k, k^2, and k^3 relationships.

Objective 042 G-GMD.6

Use triangle angle-side relationships and triangle inequality in mathematical and real-world problems.

Objective 043 G-GMD.4

Identify cross-sections of 3D objects and solids generated by rotating 2D objects.

Objective 044 G-MG.1

Use geometric shapes, measurements, and properties to describe real-world objects.

Objective 045 G-MG.2

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

Objective 046 G-MG.3

Use geometric methods to solve design problems under constraints such as cost, space, or ratios.

Objective 047 S-CP.1

Describe events as subsets of a sample space using unions, intersections, and complements.

Objective 048 S-CP.2

Determine event independence using P(A and B)=P(A)P(B).

Objective 049 S-CP.3

Understand conditional probability and connect independence to unchanged conditional probabilities.

Objective 050 S-CP.4

Construct and interpret two-way frequency tables as sample spaces for independence and conditional probability.

Objective 051 S-CP.5

Explain conditional probability and independence in everyday language and situations.

Objective 052 S-CP.6

Compute conditional probability as the fraction of one event's outcomes that also belong to another event.

Objective 053 S-CP.7

Apply and interpret the Addition Rule P(A or B)=P(A)+P(B)-P(A and B).

Objective 054 S-CP.8

Apply and interpret the general Multiplication Rule with conditional probability.

Objective 055 S-CP.9

Use permutations and combinations to compute probabilities of compound events and solve problems.

Objective 056 S-MD.6

Use probability to make fair decisions, such as lotteries or random selection.

Objective 057 S-MD.7

Analyze decisions and strategies with probability concepts in applied settings.