Difference between Dumb and Obtuse

DUMB vs OBTUSE: ADJECTIVE

See under crambo.
A west Indian plant of the Arum family (Dieffenbachia seguina), which, when chewed, causes the tongue to swell, and destroys temporarily the power of speech.
A cake made in silence by girls on St. Mark's eve, with certain mystic ceremonies, to discover their future husbands.
Any animal except man; -- usually restricted to a domestic quadruped; -- so called in contradistinction to man, who is a “speaking animal.”
A form of intermittent fever which has no well-defined “chill.”
See Deaf-mute.
Lacking brightness or clearness, as a color.
Not willing to speak; mute; silent; not speaking; not accompanied by words.
Signs and gestures without words; as, to tell a story in dumb show.
Not expressed or articulated in sounds or words.
Unable to speak because of hereditary deafness
Unable to speak temporarily
Slow to learn or understand; lacking intellectual acuity
Lacking the power of speech. Used of animals and inanimate objects.
Incapable of using speech; mute. Used of humans.
Temporarily speechless, as with shock or fear.
Unwilling to speak; taciturn.
Unintentional; haphazard.
Conspicuously unintelligent; stupid.
Not self-propelling.
Lacking the power of human speech
Temporarily incapable of speaking
Pointless, foolish, lacking intellectual content or value.
Extremely stupid.
Unable to speak; lacking power of speech.
To confound; to astonish; to render silent by astonishment; or, it may be, to deprive of the power of speech.

Of a triangle: with one obtuse angle.
Of an angle: greater than 90 degrees but less than 180 degrees.
Of sound: deadened or muffled.
Indirect or circuitous.
Intellectually dull or dim-witted.
Blunt; not sharp.
Dull; deadened.
Not having acute sensibility or perceptions; not alert, especially to the feelings of others; dull; stupid.
Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.
Having a blunt or rounded tip.
Having an obtuse angle.
Not sharp, pointed, or acute in form; blunt.
Not distinctly felt.
Lacking quickness of perception or intellect.
Slow to learn or understand; lacking intellectual acuity
Lacking in insight or discernment
Of a leaf shape; rounded at the apex
Of an angle; between 90 and 180 degrees
Characterized by a lack of intelligence or sensitivity.

Synonyms and Mute, etc. See silent.
Slow to learn or understand
Lacking intellectual acuity
Deficient in clearness or brightness, as a color.
Dull; stupid; doltish.
Hence Lacking some usual power, manifestation, characteristic, or accompaniment; destitute of reality in some respect; irregular; simulative: as, dumb ague; dumb craft. See phrases below.
Mute; not accompanied with or emitting speech or sound: as, a dumb show; dumb signs.
Destitute of the power of speech; unable to utter articulate sounds: as, a deaf and dumb person; the dumb brutes.
Mute; silent; refraining from speech.
To make dumb; silence; overpower the sound of.
To become dumb; be silent.

Blunt; not acute or pointed: applied to an angle, it denotes one that is larger than a right angle, or of more than 90°. See cuts under angle.
In botany, blunt, or rounded at the extremity: as, an obtuse leaf, sepal, or petal.
Dull; lacking in acuteness of sensibility: stupid: as, he is very obtuse; his perceptions are obtuse.
Slow to learn or understand
Between 90 and 180 degrees
Of an angle
Lacking intellectual acuity
Not shrill; obscure; dull: as, an obtuse sound.

Foolish, Idiotic, Dumbass, Silly, Unarticulate, Dense, Silent, Speechless, Dim, Slow, Dull, Mute, Inarticulate, Obtuse, Stupid

Pedantic, Obovate, Bisectrix, Rhomboid, Crass, Unsubdivided, Slow, Dim, Simple, Dense, Dull, Purblind, Undiscerning, Dumb, Stupid

Foolish, Idiotic, Dumbass, Silly, Unarticulate, Dense, Silent, Speechless, Dim, Slow, Dull, Mute, Inarticulate, Obtuse, Stupid

Pedantic, Obovate, Bisectrix, Rhomboid, Crass, Unsubdivided, Slow, Dim, Simple, Dense, Dull, Purblind, Undiscerning, Dumb, Stupid

You see a lot of smart guys with dumb women, but you hardly ever see a smart woman with a dumb guy.
So yes, this is being dumb for the sake of being dumb, but it had a lot of funny moments.
Dumb Luck: Occasionally, a halfling will be struck by a bout of absolutely dumb luck.
The characters are dumb guys, dumb girls, and a hell of a lot of bitchiness.
For all of the hundreds of dumb things that have ruined my photos, sometimes equally dumb luck comes and gives you a great shot.
Europeans whose dumb cry for peace I hear, for my ears are attended to hearing the dumb millions?
Oh, I once knew a poor person who was dumb, so all poor people must be dumb.
Well this is the dumb dumb that just wants to be noticed.
This dumb blonde aka Bengali babe is the living definition of dumb!
Dumb name, dumb dog, but teeth down to here.

Then classify each as acute, right, or obtuse.
Classify the triangle as acute, right, or obtuse.
Equilateral, Isosceles, Scalene, Equiangular, Right, Acute, and Obtuse.
The four obtuse angles will also be equal.
Can a right triangle have an obtuse angle?
We create obtuse angles using the same process.
When one of the angles of a triangle is an obtuse angle, the triangle is called an obtuse angle.
The lateral and terminal edges differ in one set being acute and the other obtuse; in the obtuse rhombo.
Foundations Network Fund acute obtuse angle examples in real life in math another shows only obtuse and another only.
An obtuse triangle will have one and only one obtuse angle.