What is the surface area of the composite figure?

A three-dimensional composite figure that resembles two stairs is shown. The length of the bottom step is four centimeters. The upper step extends from the middle of the bottom step outward toward the right. The length of the upper step is twelve centimeters. The part of the upper step that extends beyond the edge of the bottom step is ten centimeters. The height of each step is two centimeters. The width across each step is also two centimeters.

sixty-four square centimeters
one hundred eight square centimeters
one hundred twent

Question

What is the surface area of the composite figure? 

A three-dimensional composite figure that resembles two stairs is shown. The length of the bottom step is four centimeters. The upper step extends from the middle of the bottom step outward toward the right. The length of the upper step is twelve centimeters. The part of the upper step that extends beyond the edge of the bottom step is ten centimeters. The height of each step is two centimeters. The width across each step is also two centimeters.
 	
	sixty-four square centimeters 
	one hundred eight square centimeters
	one hundred twent

glogirlgigi · Answer

attachment

welshfella · Answer

Split it up into 2 prisms
The small one on the left and the big one above it.
the volume of a prism = length * width* height

welshfella · Answer

the small prism has length 4 , width 2 and height 2

welshfella · Answer

OH sorry I misread the question . They want the surface area not the volume.

thatemokid66 · Answer

@glogirlgigi Can you draw a picture of the figure? I may be able to help if I had a visual