triangle
An isosceles triangle is a noun. It is a triangle with two equal sides.
The adjective form of triangle is triangular.
A Noun
Nouns are not describing words. The word triangle is a noun. Adjectives are used to describe noun. Some adjectives that describe a triangle are:equilateralscaleneisoscelesacuteobtuse
No, it is not. Triangle is a noun, a shape or anything with three sides. The adjective form is triangular.* In the popular historical term, triangle trade, it is acting as a noun adjunct in place of the adjective triangular.
Triangular.
A Noun
It is a noun- the name for a 3 sided shape.
NO!!! in modern English. However, it is a combination of 'tri' and 'angle'. Since 'tri' is NOT a word in modern English, then it does not make 'triangle a compound word. Do not confuse with 'try'. Triangle is split into 'tri' and 'angle'. 'Tri' from Latin meaning 'three(3)'. Hence 'triangle' means 'three angles'. Archaically this would be known as a 'Trigon'. 'Tri' ; three, and 'gon' from 'polygon' a 2-dimensional figure of any number of sides.
If you're talking about adjective, like in parts of speech, then the word 'right' is the adjective, describing the noun 'triangle'.
Some proper abstract nouns are Christianity, Buddhism, Socialism, etc.
Triangle is a common noun. Proper nouns are the unique names of people, places, or things. Common nouns are words for general things. Pronouns replace proper and common nouns.