Detailed description
Two triangles side by side. Triangle ABC with labelling AB = c, CA = b, ∠BAC = α. Triangle PQR with PQ = kc, RP = kb, ∠QPR = α.
Two triangles side by side. Triangle ABC with labelling AB = c, CA = b, ∠BAC = α. Triangle PQR with PQ = kc, RP = kb, ∠QPR = α.