obtuse-angled

Meanings

• noun

  An angle greater than 90 degrees but less than 180 degrees.

• noun

  An angle whose measure is larger than a right angle.

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Variants

List of all variants of obtuse-angled that leads to same result
obtuse , obtusely , obtuseness , obtusenesses , obtuser , obtusest

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Etymology

origin and the way in which meanings have changed throughout history.

From the Latin word 'obtusus' meaning blunt or dull.

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Trivia

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1. The largest angle in a right triangle is always obtuse.

2. The sum of the measures of the three angles in a triangle is always 180 degrees. If two angles measure less than 90 degrees, the third angle must be obtuse.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Acute Angle: An angle smaller than a right angle, with a measure less than 90 degrees.

2. Right Angle: An angle measuring exactly 90 degrees.

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Culture

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In geometry, an obtuse angle is often represented by the letter '∠' followed by a number greater than 90 degrees. Obtuse angles are important in understanding the properties of triangles and other geometric shapes.

How to Memorize "obtuse-angled"

1. visualize
   

   - Imagine a triangle with one angle greater than 90 degrees. This angle is an obtuse angle.

2. associate
   

   - Associate the word 'obtuse' with the word 'blunt' or 'dull'. An obtuse angle is larger than a right angle, just like a blunt object is larger than a sharp one.

3. mnemonics
   

   - Use the mnemonic 'Only Big Angles Need Extra Space' to remember that obtuse angles have measures greater than 90 degrees.

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