Answer:
407mm²
Step-by-step explanation:
the triangle face is 1/2(11)(13) = 71.5
there are 4 triangle faces so 71.5 x 4 = 286
plus the bottom, 11 * 11 = 121
286+121=407mm²
a
d
A
c
$3584
- because its a rectangle, the area of the floor is length*width, so 16*14 = 224 square feet
- one square foot is $16, so 224 sqaure feet are 224*16
= 3584
