right triangle

noun

Definition of right triangle

: a triangle having a right angle — see triangle illustration

Recent Examples of right triangle from the Web

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First Known Use of right triangle

1675

in the meaning defined above

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RIGHT TRIANGLE Defined for English Language Learners

right triangle

Definition of right triangle for English Language Learners

  • : a triangle that has a right angle


RIGHT TRIANGLE Defined for Kids

right triangle

noun

Definition of right triangle for Students

: a triangle having a right angle

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