While acute angles are angles that measure less than 90 degrees, obtuse angles are angles that measure over 90 degrees but measure less than 180 degrees. Angles that measure 30, 45, 60, all the way up to 89 degrees are thus considered to be acute angles. Acute angleĪny angle that measures less than 90 degrees is described as an acute angle. Right angles are also often illustrated with a small square at the vertex. Any two lines that flank a right angle are described as perpendicular. The different types of angles are as follows: Right angleĪ right angle measures 90 degrees. Thus, they sometimes will just be referred to by their names, without the need to mention their exact measurements. It’s usually used by carpenters and can also make measuring angles quick and easy to do while maintaining a good degree of accuracy.Ĭertain angle measurements are known by certain names.
Analog protractors: You may remember using a small, transparent, and semi-circular piece of plastic to measure angles in geometry class.The following are some of the tools you can use for angle measurements: There are several ways to measure angles, and you can also use a variety of tools depending on what you’re currently working on. For example, athletes use them to determine how to make their shots, engineers use them when designing various structures, woodworkers use them when building furniture, and many more. However, angles are quite literally everywhere, and they’re one mathematical concept that many of us deal with in everyday life.Īngle measurements have a lot of applications and are important to a lot of fields and professions. We learn a lot of mathematical concepts at school, some of which might not have much relevance to our present real-life activities. Importance of anglesīy measuring angles accurately, you’ll be able to have a better understanding of how certain lines relate to each other. You can thus think of angles as sections of a full circle, or like slices of a pie. To make understanding angles easier, it can be helpful to envision an imaginary circle with the vertex in the circle. This endpoint is referred to as the “vertex” of the angle.Īngles are measured in degrees. What are angles?Īn angle is the space between two straight lines, also referred to as “rays,” that meet at a common endpoint. However, by being more familiar with the basics of angles and how they’re measured, they can be easier and less intimidating to work with. They can seem intimidating, especially if you’re not all that well-versed in or comfortable with numbers. How to use a protractor to construct anglesįundamentally, angles are a mathematical concept.
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