tri-angle Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 a figure that has three sides and three angles; 2 a percussion instrument consisting of a metal bar bent in the shape of an open triangle Example Sentence A tri-angle is a musical instrument. Synonyms three-sided polygon; isosceles; three-sided shape Antonyms square; circle Hear It! Say It! Write It! tri-angle Switch to cursive Start Share with your friends:
