INVOICE FORMATE FOR GST IN INCORPORATION SERVICE
AB,CD,PQ are perpendicular to BD. AB=x,CD=y and PQ=z prove that 1/x 1/y=1/z
draw a triangle abc with side bc=6 cm ab=5 cm and angle abc = 60. then construct a triangle whose sides are 3/4 of the corresponding sides of the triangle abc. write steps of construction