Notes
two equilateral triangles iii techniques
Techniques Used in a Solution
These are the techniques used in solving the problem
two equilateral triangles iii
.
Properties of
equilateral triangles
,
vertically opposite angles
,
angles at a point on a straight line
, and
congruent
triangles
Invariance principle
Created on November 4, 2025 20:32:46 by
Andrew Stacey
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