53 M1 2 M1 for use of sine rule H Use the sine rule in both triangles. A1 A1 for correct equation A1 A1 for correct equation As = then sin = sin A P, P A So Hence = M1 M1 for equating both known angles Hence = So = p B1 B1 for correct statement linking and p, a, b c P1 P1 for clear communication of the full solution 6
53 Use the sine rule in both triangles. As A = P, then sin P = sin A So Hence = Hence = So p = M1 A1 A1 M1 B1 P1 2 M1 for use of sine rule A1 for correct equation A1 for correct equation M1 for equating both known angles B1 for correct statement linking p, a, b and c P1 for clear communication of the full solution H 6
Higher_Skills_Geometry_MarkScheme_Edexcel.docx