Protractors usually have two sets of numbers going in opposite directions. The outer set usually measures angles opening to the left, and the inner set measures angles opening to the right. …

Protractor, in math, is considered to be an important measuring instrument that is in the shape of a semi-circle. The common protractor is a translucent tool that helps us measure angles in …

Most protractors measure the angle in degrees but there are few protractors available that can measure angles in radian, they are known as Radian-scale protractors. Let us see step by …

This is a transparent online protractor, you can easily measure the angle of any object around you, and it helps you measure angles in a picture, taking a picture and uploading it, then …

A protractor is a semicircular geometry tool divided into 180 equal parts, each measuring 1°. It is used for drawing angles of known measures and finding angles of unknown measures and is …

2021年2月23日 · Welcome to this free lesson guide where you will learn how to read a protractor and how to use it to measure angles. This complete guide on how to use a protractor includes …

For extra tips and practice problems, check out IXL's measuring angles with a protractor lesson! Remember how one side of the angle traces out a circular arc? We use that circle to measure …