Which proportion could be used to find the length of side b? 272
85
B
O A.
sin 72 sin 85
6.2 b
OB.
sin 23 sin 85
6.2 b
sin 23
O c.
sin 72
b
6.2.
sin 72
OD.
sin 85
a
b

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle