A compass helps to construct an angle.. Set squares, also known as triangle protractor, are used to draw parallel and perpendicular lines. Measuring Angles with a Protractor. How to use a 180° Protractor. The protractor has already been lined up correctly. Preview this quiz on Quizizz. 3. Easy measure angles, using interactive whiteboard angle simulator. If an angle is less than 90 degrees, it's an acute angle. You will explore some common mistakes, such as … Measuring angles accurately In this video you will learn how to use a protractor to measure angles accurately. Tighten the wing nut to lock the angle in place. So I will type that in off the screen. What is the measure of the following angle? How to Measure an Angle Using a Protractor: 7 Steps Hot www.wikihow.com. Download Angle Meter™ and enjoy it on your iPhone, iPad, and iPod touch. 2 minutes ago by. Easy to use tool for measuring any angle. gastonma. Mathematics. Determine what type of angle you're measuring. The pdf file also has the answer sheet. Place this point at the vertex of the angle you are measuring. Trace along the inside of the T-bevel blade and handle. Using a protractor, swing the blade until the desired angle between the handle of the bevel and the blade matches the angle you want. Measure an Angle with a Protractor Measuring an Angle Protractor is a geometrical instrument that looks like the letter D. The angles are marked from 0° to 180° on the edge in clockwise direction as well as in anti-clockwise direction. The divider is used to measure the length between two points. Using a protractor, accurately sketch an angle with a given angle measurement. Now, add the acquired angle to 180°.