Obtuse, which comes to us from the Latin word obtusus, meaning "dull" or "blunt," can describe an angle that is not acute or a person who is mentally "dull" or slow of mind. Straight Angles 5. An obtuse angle is bigger than 90° but smaller than 180°. That means it is larger than a right angle but less than a straight line. Also show the converse- that if an angle in a triangle is larger than the sum of the other two, then the triangle is obtuse. Copyright © 2011. An angle that measures more than 90 degrees but less than 180 degrees. See more. obtuse angle: 1 n an angle between 90 and 180 degrees Type of: oblique angle an angle that is not a right angle or a multiple of a right angle obtuse definition: 1. An obtuse angle is an angle that measures more than a right angle but less than a straight angle.So, an obtuse angle … Types . Show that in an obtuse triangle, the obtuse angle is larger than the sum of the other two angles. 0. In some cases, one of the three interior angles in a triangle can be an obtuse angle. We can spot them because they extend past what would be … Meaning of obtuse angle. In this non-linear system, users are free to take whatever path through the material best serves their needs. Reflex Angles The images above illustrate certain types of angles. Origin of obtuse. Published by Houghton Mifflin Harcourt Publishing Company. An angle greater than radians and less than radians (). Are you learning Spanish? ), The Most Surprisingly Serendipitous Words Of The Day. Moreover, obtuse angles are also called as blunt angles. Dictionary.com Unabridged An obtuse angle is a type of angle that is always larger than 90° but less than 180°. An obtuse angle An obtuse angle is an angle of greater than 90° and less than 180°. These unique features make Virtual Nerd a viable alternative to private tutoring. Learn more about obtuse angles here. These 5 angle types are the most common ones used in geometry. “Inauguration” vs. “Swearing In”: What’s The Difference? An angle whose measure is between 90° and 180°. adjective. The smaller angle is an Obtuse Angle, but the larger angle is a Reflex Angle So when naming the angles make sure that you know which angle is being asked for ! Either way, this quiz on Spanish words for animals is for you. An acute angle lies between 0 degrees and 90 degrees or in other words, an acute angle is one that is less than 90 degrees. An obtuse triangle is a type of triangle where one of the vertex angles is greater than 90° The triangles above have one angle greater than 90° Hence, they are called obtuse-angled triangle or simply obtuse triangle. An obtuse angle has measure between 90 ∘ and 180 ∘. Obtuse angle definition, an angle greater than 90° but less than 180°. It refers to any angle that is between a right angle and a straight angle. 0. In geometry class we learn about obtuse angles: those are the wide ones, greater than 90 degrees, in contrast to acute angles, which are smaller than 90 degrees. What does obtuse mean? Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. The New Dictionary of Cultural Literacy, Third Edition Information and translations of obtuse angle in the most comprehensive dictionary definitions resource on the web. (of an angle) more than 90° and less than 180° 2. stupid and slow to understand, or unwilling to…. Dictionary ! Learn more. Angles larger than a right angle and smaller than a straight angle (between 90° and 180°) are called obtuse angles ("obtuse" meaning "blunt"). Note that it is obtuse for all angles greater than 90° and less than 180° obtuse-angle | definition: an angle between 90 and 180 degrees | synonyms: oblique angle| antonyms: right angle Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. See more. Due to the arrangement of three line segments as a closed geometric shape, three interior angles are formed inside a triangle. Angles larger than a straight angle but less than 1 turn (between 180° and 360°) are called reflex angles. In this section we will define the trigonometric ratios of an obtuse angle as follows. Definition of Obtuse Angle. An obtuse-angled triangle can be scalene or isosceles, but never equilateral. Obtuse definition, not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull. Right Angles 4. “Capital” vs. “Capitol”: Do You Know Where You’re Going? synonym.com Definition of obtuse angle in the Definitions.net dictionary. 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