What Is The Opposite of Triangle?

Antonyms of a triangle refers to geometric shapes that are not triangles. Triangles are polygons with three sides and three angles. In contrast, antonyms of triangles are shapes that have more or less than three sides and angles.

Polygons with more than three sides are known as polygons, while those with fewer sides are called lines or line segments. Circles, ellipses, and quadrilaterals are common examples of shapes that are antonyms of triangles. These shapes do not have the defining characteristics of a triangle – specifically, the presence of three sides and three angles.

Understanding the antonyms of a triangle is essential in geometry, as it helps in identifying and differentiating various shapes based on their unique properties. By recognizing shapes that do not fall under the category of a triangle, one can enhance their knowledge of geometry and geometric relationships.

Example Sentences With Opposite of Triangle

Antonym	Sentence with Triangle	Sentence with Antonym
Circle	The triangle had three sides.	The circle had no sides.
Disappear	The missing piece completed the triangle.	The missing piece made the triangle disappear.
Straight	The triangle had three vertices.	The shape was not straight like a triangle.
Curved	The carpenter used a triangle ruler.	The carpenter used a ruler with a curved edge.
Square	The ancient pyramid had a triangle shape.	The ancient pyramid had a square shape.
Open	The gate formed a triangle when closed.	The gate did not form a triangle when open.
Interior	The vertex angle was the triangle‘s interior.	The vertex angle was not part of the interior of the triangle.
Curved	The bookmark had a triangle shape.	The bookmark had a curved shape.
Connected	The three lines met to form a triangle.	The three lines were not connected and did not form a triangle.
Round	The triangle‘s angles added up to 180 degrees.	The round shape’s angles added up to 360 degrees.
Symmetrical	The isosceles triangle had equal sides.	The shape was not symmetric like a triangle.
Inside	The lines intersected at the triangle‘s interior.	The lines did not meet inside the interior of the triangle.
Oval	The wood carving was in the shape of a triangle.	The wood carving was in the shape of an oval.
Outside	The lines formed the triangle‘s exterior.	The lines did not form the triangle‘s outside.
Crooked	The sailboat pennant was in the shape of a triangle.	The sailboat pennant was crooked, not a triangle.
Unconnected	The three sides formed a triangle.	The sides were disjointed and not unconnected like a triangle.
Dull	The artist used a triangle ruler.	The artist used a dull ruler, not a triangle.
Exterior	The vertex angle was the triangle‘s exterior.	The vertex angle was not part of the triangle‘s exterior.
Planar	The polygon was not a triangle.	The figure was planar, unlike a triangle.
Closed	The gate formed a triangle when closed.	The gate did not form a closed triangle.
Rectangular	The pyramid’s base was a triangle.	The pyramid’s base was rectangular, not a triangle.
Outward	The lines formed the triangle‘s outward angles.	The lines did not form the outward triangle‘s angles.
Out-of-shape	The construction paper was cut into a triangle.	The construction paper was out-of-shape, not a triangle.
Concave	The mirror had a triangle shape.	The mirror did not have a concave shape like a triangle.
Pointy	The traffic sign was in the shape of a triangle.	The traffic sign was not pointy like a triangle.
3D	The triangle was in two dimensions.	The shape was in three dimensions, not a triangle.
Exterminate	The missing piece completed the triangle.	The missing piece made the triangle exterminate.
External	The vertex angle was the triangle‘s external part.	The vertex angle was not part of the external part of the triangle.
Concave	The lampshade was in the shape of a triangle.	The lampshade was not concave, unlike a triangle.
Cylindrical	The building’s base had a triangle shape.	The building’s base was cylindrical, not a triangle.
Angled	The road sign was in the shape of a triangle.	The road sign was not angled like a triangle.
Hollow	The road sign was in the shape of a triangle.	The road sign was not hollow like a triangle.
Outside	The three lines formed the triangle‘s outside.	The lines did not form the triangle‘s outside.
Gentle	The triangle had sharp angles.	The shape had gentle edges, not sharp angles like a triangle.
Hyperbolic	The construction beam was a triangle in shape.	The construction beam had a hyperbolic shape, not a triangle.
Blunt	The three sides of the triangle met at sharp angles.	The three sides of the shape met at blunt angles, not sharp angles like a triangle.
Outside	The three lines formed the triangle‘s outside.	The three lines did not form the triangle‘s outside.
Exterior	The vertex angle was the triangle‘s exterior.	The vertex angle was not part of the triangle‘s exterior.

More Example Sentences With Antonyms Of Triangle

Antonym	Sentence with Triangle	Sentence with Antonym
four-sided	A triangle has three sides.	A square has four sides.
curved	A triangle has straight edges.	A circle has curved edges.
round	A triangle has sharp corners.	A circle is perfectly round.
closed	An open triangle does not have a base.	A closed shape has all its sides connected.
wide	An equilateral triangle has equal sides.	An isosceles triangle has one longer side and two wide sides.
hollow	A filled triangle has color inside.	A hollow triangle is empty inside.
lopsided	A symmetrical triangle has equal angles.	An asymmetric triangle is lopsided in shape.
concave	A triangle does not curve inward.	A circle is a concave shape.
closed	An open triangle has no enclosed area.	A closed shape has an enclosed area within its borders.
obtuse	An acute triangle has angles < 90°.	An obtuse triangle has angles > 90°.
open	A triangle has sides forming 3 angles.	An open shape does not have defined angles.
circular	A triangle has three corner points.	A circle is a circular shape.
square	An equilateral triangle is not square.	A square is a four-sided square shape.
plane	A triangle is a two-dimensional shape.	A cube is a three-dimensional shape, not a plane.
obtuse	A right triangle has one 90° angle.	An obtuse triangle has at least one > 90° angle.
skinny	An equilateral triangle has equal sides.	A long, thin shape is skinny compared to a triangle.
quadrilateral	A triangle has three sides.	A square is a quadrilateral shape.
irregular	A regular triangle has all equal sides.	An irregular triangle does not have equal sides.
infinity	A triangle shape has a finite number of vertices.	A shape with infinite sides or vertices is not a triangle.
curved	A triangle has straight sides.	A circle is a curved line shape.
closed	An open triangle has no enclosed area.	Polygons have a closed area enclosed within the shape.
straight	A triangle does not have straight angles.	A rectangle has four angles, all of which are straight.
angled	A symmetric triangle has equal angles.	An angled shape has varying angles along its sides.
straight	A symmetrical triangle has equal sides.	A curved shape is opposite to a straight shape.
broken	A solid triangle has three continuous sides.	A broken shape is not fully connected at all points.
closed	An open triangle does not have sides meeting.	A closed shape has sides that connect to form a shape.
irregular	A regular triangle has all equal angles.	An irregular triangle has angles of different measurements.
convex	A triangle does not curve outward.	A convex shape has a curve that bulges outward.
linear	A triangle shape is not linear.	A straight line is linear in nature.
quadrangle	A triangle is not a four-sided shape.	A rectangle is an example of a quadrangle shape.
vague	An equilateral triangle has equal sides.	A shape with an unclear form can be described as vague.
concave	A solid triangle does not have a sinked center.	A concave shape has a center that curves inward.
obstruct	A clear triangle shape has visible lines.	An obstruct shape has unclear or overlapping edges.
unified	An equilateral triangle has equally long sides.	An unified shape has elements that are distinctly different.
blocked	A clear triangle has defined boundaries.	A blocked shape has obstructions or obstacles in its path.

Outro
Antonyms of triangle, opposite of triangle and triangle ka opposite word are the same thing. In conclusion, the opposite word of triangle is circle, a figure with a curved line that does not have any corners or angles. While a triangle is made up of three sides and three angles, a circle is defined by its continuous, round shape with no sides or angles. These two shapes are distinct in their characteristics and properties, serving different purposes in various mathematical and practical applications.

Understanding the contrasting features of a circle and a triangle can enhance our mathematical comprehension and problem-solving skills. By recognizing the unique attributes of each shape, we can effectively utilize them in different contexts and scenarios. The distinction between a triangle and a circle highlights the diversity and richness of geometric shapes, contributing to a deeper understanding of mathematical concepts and relationships.