Synonyms
Antonyms

1. obtuse-angled_triangle

noun. a triangle that contains an obtuse interior angle.

Synonyms

  • trilateral
  • obtuse triangle
  • trigon

Antonyms

  • right triangle
  • unilateral
  • nonreciprocal

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Rhymes with Obtuse Triangle

Sentences with obtuse-triangle


1. Noun Phrase
Draw extensions of the sides of an obtuse triangle that are opposite the two acute angles.

2. Noun Phrase
You can calculate an obtuse triangle using the lengths of the triangle's sides.

3. Noun Phrase
Many Googie buildings sport a roof that is close to 2/3 of an upside down obtuse triangle.

2. triangle

noun. ['ˈtraɪˌæŋgəl'] a three-sided polygon.

Synonyms

  • right triangle
  • equilateral triangle
  • equiangular triangle
  • trilateral
  • cuneus
  • acute triangle
  • obtuse triangle
  • obtuse-angled triangle
  • isosceles triangle
  • acute-angled triangle
  • polygonal shape
  • scalene triangle
  • oblique triangle
  • right-angled triangle
  • trigon
  • polygon
  • wedge

Antonyms

  • right triangle
  • unfasten
  • dislodge
  • sharpness

Etymology

  • triangle (Old French (842-ca. 1400))

3. triangle

noun. ['ˈtraɪˌæŋgəl'] a percussion instrument consisting of a metal bar bent in the shape of an open triangle.

Synonyms

  • percussion instrument

Antonyms

  • nonreciprocal
  • convex polygon

Etymology

  • triangle (Old French (842-ca. 1400))

4. triangle

noun. ['ˈtraɪˌæŋgəl'] any of various triangular drafting instruments used to draw straight lines at specified angles.

Antonyms

  • decompress

Etymology

  • triangle (Old French (842-ca. 1400))

5. Triangle

noun. a small northern constellation near Perseus between Andromeda and Aries.

6. triangle

noun. ['ˈtraɪˌæŋgəl'] something approximating the shape of a triangle.

Synonyms

  • shape

Antonyms

  • dullness
  • angularity

Etymology

  • triangle (Old French (842-ca. 1400))

7. obtuse

adjective. ['ɑːbˈtuːs'] lacking in insight or discernment.

Synonyms

  • undiscerning

Antonyms

  • increase
  • accelerate

Etymology

  • obtusus (Latin)

8. obtuse

adjective. ['ɑːbˈtuːs'] slow to learn or understand; lacking intellectual acuity.

Synonyms

  • dense
  • stupid
  • dumb
  • dim
  • dull

Antonyms

  • sudden
  • fast
  • hurried
  • rush

Etymology

  • obtusus (Latin)

9. obtuse

adjective. ['ɑːbˈtuːs'] (of a leaf shape) rounded at the apex.

Synonyms

  • simple

Antonyms

  • interesting
  • strengthen

Etymology

  • obtusus (Latin)
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