Answer:
249.6 sq. in.
Explanation:
In this question, we need to find the surface area of the triangular pyramid in order to calculate how many square inches are needed to cover it. The formula for the surface area of a triangular pyramid is the following
(a × b) +
(b × s)
We can say that the values provided represent the following variables.
a = 12in
b = 10.4in
s = 12in
(12 × 10.4) +
(10.4 × 12)
(124.8) +
(124.8)
62.4 + 187.2
249.6 sq. in.
Finally, we can say that it would take 249.6 sq. in. in order to cover the triangular pyramid.
The sediments will settle to the bottom of the stream or end up in drainage ditches or any lower elevations on the ground.
Night is cool but the real answer is daylight