If you can construct a 60° angle, you can construct a 75° angle
(bisect 60° twice to get 15° and add that to 60°)
The point O is the circumcenter, and lies where the angle bisectors meet.
Using ruler and a pair of compasses only construt triangle ABC such that AB 8cm angle ABC 60° and angle BAC 75°
Locate the point o inside ∆ ABC equidistant from A B and C
Construct the circle with center o which passes through A
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using a ruler and a pair of compass to only, construct a triangle ABC such that angle AB =7cm, angle AC =9cm and angle BAC =30
I don't know