base angle

noun

Definition of base angle

: either of the angles of a triangle that have one side in common with the base

First Known Use of base angle

circa 1848, in the meaning defined above

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The first known use of base angle was circa 1848

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Cite this Entry

“Base angle.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/base%20angle. Accessed 12 December 2019.

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