Answer
a) The area is 108.81 square feet wide and the perimeter is 42 feet.
b) Border and Perimeter, Paint and Area
Work Step by Step
a) A= $9,3 * 11,7 =108, 81$; P=$2*9,3+2*11,7= 42$
b)Border and Perimeter, because you want to build the boarder around and not on top
Paint and Area, because you want to paint the complete wall and not the edges
