If we divide the area we have to cover by the area of a piece, we will get the number of pieces needed:

Answer:
The Philippine Trench in the Pacific Ocean is 10.05 kilometers deep. The Brazil Basin in the Atlantic Ocean is 6.12 kilometers deep.
Step-by-step explanation:
Answer:
160 in²
Step-by-step explanation:
20 * 16 / 2
if we wouldn't devide with 2, we would calculate the rectangle around the quadrilateral
The answer would be 2,6 .