# Basic Geometry

This page contains links to free math worksheets for Basic Geometry problems. Click one of the buttons below to view a worksheet and its answer key. You can also use the 'Worksheets' menu on the side of this page to find worksheets on other math topics.

## Complementary Angle Subtraction

## Supplementary Angle Subtraction

## Parallel, Perpendicular, Intersecting

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

## Angles, Right, Obtuse, Acute

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

## Basic Shapes

## Area and Perimeter of Rectangles

Calculate the area and perimeter of rectangles given their dimensions; Also works for multiplication practice!

## Circles - Diameter and Radius

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