me assume the numbers yu thro at sumwon=lengths av the SIDES av 1 triangel
me get rim-leng=675, base=280, hite=139.10628
top=(129.419,139.1062)
alfa=47.065956 deg, beta=42.731781, gamma=90.202262
sentroid=(136.47321,46.368)
inside serkel...radius=57.70334, senter=(132.5, 57.70334)
outside serkel...rad=140.000872, senter=(140,-0.49413)