Look at the rectangle and the square:
6 in
M
6 in
12 in
R
O
N
Elisa says that the length of diagonal PR is two times the length of diagonal LN.
Is she correct? Justify your answer and show all your work. Your work should state the theorem you used to find the lengths of the diagonals.
Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min