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Basic Geometry

This page contains links to free math worksheets for Basic Geometry problems. Click one of the buttons below to see all of the worksheets in each set. You can also use the 'Worksheets' menu on the side of this page to find worksheets on other math topics.

Complementary Angle Geometry Worksheets


12 Basic Geometry Worksheets

Geometry worksheets with subtraction problems for finding complementary angles (Angles whose sum is 90 degrees).

Complementary Angle Geometry Worksheets
Complementary Angle Subtraction Worksheet Basic Geometry

Supplementary Angle Geometry Worksheets


12 Basic Geometry Worksheets

Geometry worksheets with subtraction roblems for finding supplementary angles (Angles whose sum is 180 degrees).

Supplementary Angle Geometry Worksheets
Supplementary Angle Subtraction Worksheet Basic Geometry

Parallel, Perpendicular, Intersecting


20 Basic Geometry Worksheets

Labelling lines as parallel, perpendicular or intersecting. Includes line shapes that imply intersection.

Parallel, Perpendicular, Intersecting
Parallel, Perpendicular, Intersecting Basic Geometry Worksheet

Identifying Angles Geometry Worksheets


24 Basic Geometry Worksheets

Label angles as right, obtuse or acute. Optionally estimate or use a protractor to measure the actual angles.

Identifying Angles Geometry Worksheets
Angles, Right, Obtuse, Acute Basic Geometry Worksheet

Identifying Shapes Geometry Worksheets


24 Basic Geometry Worksheets

These geometry worksheets require students to identify and name basic quadrilaterals, triangles and polygons.

Identifying Shapes Geometry Worksheets
Basic Geometry Shapes Worksheet

Area and Perimeter of Rectangles


12 Basic Geometry Worksheets

The problems on these geometry worksheets require students to calculate the area and perimeter of rectangles given their dimensions. The worksheets also work great for multiplication practice!

Area and Perimeter of Rectangles
Area and Perimeter of Rectangles Basic Geometry Worksheet

Circles - Diameter and Radius


16 Basic Geometry Worksheets

Worksheets to calculate radius from diameter, diameter from radius, or radius and diameter from area or circumference.

Circles - Diameter and Radius
CirclesDiameter and Radius Basic Geometry Worksheet

Circles - Area and Circumference


16 Basic Geometry Worksheets

Geometry worksheets with problems calculating a circle's area and circumference.

Circles - Area and Circumference
CirclesArea and Circumference Basic Geometry Worksheet

Circles - Relationhips


8 Basic Geometry Worksheets

Calculate the radius, diameter, area and circumference given one circle fact.

Circles - Relationhips
CirclesRelationhips Basic Geometry Worksheet

Geometry Worksheets

The basic geometry worksheets in this section cover a number of basic areas of knowledge in this deep section of mathematics. Geometry is one of the first topics where basic arithmetic is applied to more advanced mathematical concepts. The concepts of angular measurement, complementary and suplementary angles, measurement of angles within triangles, the calculator of area of shapes (including circles) are all a promising playground for applying the math skills learned at early stops on a students mathematical journey

Angles Geometry Worksheets Topics

The geometry worksheets in this section start out with applying basic addition and subtraction skills to determine supplementary and complementary angles. Additonal worksheets here also deal with idenfifying parallel or intersecting lines, and identification of right angles. While these worksheets a suitable for estimating common angle dimensions, some of these worksheets can also be used as practice for measuring angles with a protractor (the correct angle measurement is given in the answer key for each geometry worksheet).

Shapes Geometry Worksheets Topics

One area of knowledge in geometry is simple identification of shapes, and learning the names for shapes with a certain number of sides is a rote activity. For quadrilaterals, being able to differentiate between a parallelogram (including the special case of the square), rhombus and a trapezoid are important skills. For triangles, there are geometry worksheets that help memorize the types of triangles (equilateral, right, isosceles, as well as acute versus obtues.) .Additional worksheets in this section deal with finding the perimeter and area of rectangles.

Circle Geometry Worksheets Topics

Circles are a unique species of geometric shape, and the geometry worksheets in this section introduce the basic equations for calculating area and circumference of a circle. Problems that explore the relationships between the diameter and the radius are also provided, giving plenty of opportunity to explore the relationships between these values and pi and the area and circumference of a circle.