Calculation of triangle area

Trikampis Trikampis, įbrėžtinis apskritimas
Given:
(enter only the data given in the task condition)
Edges: AB: BC: AC: High BD (BD ⊥ AC):
Corners: ∠ABC: o ∠BCA: o ∠BAC: o
Semi-perimeter p: Radius of the inscribed circle R1:
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Rasti: ∆ABC plotą S