Question
The steps to construct a triangle with given base angles ∠ B and ∠ C and BC + CA + AB, are:.
A. Draw a line segment, say XY equal to BC + CA + AB.
B. Make ∠ LXY equal to ∠  B and MYX equal to ∠ C.
C. Bisect  ∠ LXY and  ∠ MYX. Let these bisectors intersect at a point A.
D. Draw perpendicular bisectors PQ of AX and RS of AY.
E. Let PQ intersect XY at B and RS intersect XY at C. Join AB and AC.
Â
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