Definition:Triangle (Geometry)/Isosceles/Base Angles
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Definition
The two (equal) vertices adjacent to the base of an isosceles triangle are called the base angles.
In the above diagram, $\angle ABC$ and $\angle ACB$ are the base angles.
Sources
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): base angles