What is a obtuse triangle with examples?

What is a obtuse triangle with examples?

If one angle is greater than 90° and the other two angles are lesser along with their sum being lesser than 90°, we can say that the triangle is an obtuse triangle. For example, ΔABC has these angle measures ∠A = 120°, ∠A = 40°, ∠A = 20°. This triangle is an obtuse triangle because ∠A = 120°.

Do obtuse triangles add up to 180?

Obtuse Triangle Definition An obtuse triangle is one that has an angle greater than 90°. Because all the angles in a triangle add up to 180°, the other two angles have to be acute (less than 90°). It’s impossible for a triangle to have more than one obtuse angle.

How do you know if a triangle is obtuse?

How do you know if a triangle is obtuse

  1. If any two angles of a triangle are given, it can be easily determined whether the triangle is an obtuse triangle or not.
  2. The triangle is an obtuse triangle if the sum of the squares of the smaller sides is less than the square of the largest side.

What is the definition of obtuse?

1 a : not pointed or acute : blunt b : exceeding 90 degrees but less than 180 degrees c : having an obtuse angle 2 a : lacking sharpness or quickness of sensibility or intellect : insensitive, stupid b : difficult to comprehend : not clear or precise in thought or expression.

Can you call someone obtuse?

The adjective obtuse is good for describing someone slow on the uptake: “Don’t be so obtuse: get with the program!” The adjective obtuse literally means “rounded” or “blunt,” but when it’s used for a person, it means “not quick or alert in perception” — in other words, not the sharpest tool in the shed.

Why is obtuse an insult?

Obtuse comes from a Latin word meaning “blunt, dull, stupid.” “Obtuse angles” in geometry are not stupid; they are blunt. When applied to a person, obtuse means stupid, lacking in perception or understanding.

What is an example of obtuse?

An obtuse angle is a type of angle whose degree measurement is more than 90° but less than 180°. Examples of obtuse angles are: 100°, 120°, 140°, 160°, 170°, etc. ∠ PQR is an obtuse angle because it’s less than 180° and greater than 90°.

What does it mean to be emotionally obtuse?

In psychology, emotional detachment, also known as emotional blunting, has two meanings: one is the inability to connect to others on an emotional level; the other is as a positive means of coping with anxiety. It refers to the evasion of emotional connections.

Are you purposely being obtuse?

Being deliberately obtuse is typically used by someone wishing to avoid a result that would come about by a display of their actual intelligence. For Example, take a recent phone call I had with a customer service rep.

What is the opposite of being obtuse?

obtuse(adjective) Intellectually dull or dim-witted. Antonyms: bright, sharp, on the ball, acute-angled, pointed, quick-witted, smart, intelligent, clear, acute, quick off the mark.

How do you use the word obtuse?

Obtuse in a Sentence ?

  1. Are you so obtuse that you will give away all your money to a fake charity?
  2. The obtuse young man had a hard time understanding the simple instructions.
  3. If you do not pay attention in math class, you may feel obtuse during the final exam.

What’s the difference between abstruse and obtuse?

Abstruse derives from the past participle of abstrūdere, a verb meaning “to conceal.” Obtuse derives from the past participle of obtundere, meaning “to beat against” or “to blunt.” Abstruse is used to describe things that aren’t easily accessible to the lay reader or average person.

What is another word for obtuse?

SYNONYMS FOR obtuse 1 unfeeling, tactless, insensitive; blind, imperceptive, unobservant; gauche, boorish; slow, dim.

What does abstruse mean in English?

: difficult to comprehend : recondite the abstruse calculations of mathematicians abstruse concepts/ideas/theories.

What is the meaning of elusive?

: tending to elude: such as. a : tending to evade grasp or pursuit elusive prey. b : hard to comprehend or define. c : hard to isolate or identify.

What does it mean when a guy calls you an enigma?

An enigma is someone or something that’s puzzling, mysterious, or difficult to make sense of. If you call a person an enigma, you mean that they’re hard to figure out—the reasons behind what they say and do are not easily understood.

What’s another word for enigmatic?

Some common synonyms of enigmatic are ambiguous, cryptic, dark, equivocal, obscure, and vague. While all these words mean “not clearly understandable,” enigmatic stresses a puzzling, mystifying quality.

What is opposite enigmatic?

Opposite of mysterious or difficult to understand. explicable. understandable. explainable. comprehensible.

What does ardently mean?

: showing or having warmth of feeling : passionate She’s an ardent supporter of education. Other Words from ardent. ardently adverb.

What does infrequently mean?

1 : seldom happening or occurring : rare. 2 : placed or occurring at wide intervals in space or time a slope dotted with infrequent pines infrequent visits.

Can a person be ardent?

Full of ardor; fervent, passionate. Burning; glowing; shining. The definition of ardent is a deep level of enthusiasm or passion. An example of someone who is ardent is a person who volunteers for a political campaign to support his candidate.

Can you say someone is ardent?

ardent Add to list Share. If you are ardent, you are passionate about something. A pop star’s ardent admirers might go so crazy at his concert that they faint from excitement. Ardent is most often used to modify words like supporter, fan, advocate, admirer, and defender — but also opponent.

What is an ardent lover?

Ardent is used to describe someone who has extremely strong feelings about something or someone. adj usu ADJ n (=fervent, passionate) sun lover. n. someone who loves being in the sun, sunbathing etc.

How do you become an enigmatic person?

How to Be Enigmatic

  1. Keep silent more often than not.
  2. Don’t be so keen to fill in the gaps.
  3. Be cautious about how much information about yourself you share.
  4. Be creative in your conversations with other people.
  5. Expand your vocabulary.
  6. Keep your plans to yourself.
  7. Make people work hard to get close to you.
  8. Be stoic.