Answer:
the answer is D. 613.44
Step-by-step explanation:
<u><em>D..............</em></u>
The answer would be 13.9 kg of gravel used per square meter
ratio of perimeter is the same as ratio of sides so perimeter would be 1:4
since area is in square units you need to square the ratio (1:4)^2 which is 1:16
Between 2 and 3, after the 2 1/4 point, but before the halfway point.
V = [1/2 x 5 x side x apothem] x height of the prism.
V=[ 1/2 x 5 x 7.1 x 5] x 15
V= 88.75 x 15
V= 1331.25
