C Gogo is making a design for a client by cutting
two rectangles out of a larger rectangle with
sides of length a and b as shown. Find the
perimeter of the design in terms of a and b.
(The dotted lines are drawn to show that the
indentations are on a line parallel to a side of
the design.)
D
AB = a, AD = b
The perimeter is
cubic units.
(Simplify your answer. Use integers or fractions for any numbers in the expression.)