Select the correct answer from each drop-down menu.
The figure is a composite figure of an isosceles triangle and a rectangle. AB and AG each have a length of
approximately
units. CD and EF each have a length of
units. DE measures 10 units, and CB and GF
each measure 2 units. Summing the length of all the sides, the total perimeter of the heptagon is
approximately
▾units.