avagracesmith5
16.04.2021 •
Mathematics
A parallelogram-shaped field in a park needs sod. The
parallelogram has a base of 21.5 meters and a height
of 18 meters. The sod is sold in pallets of 50 square
meters. How many pallets of sod are needed to fill the
field?
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Ответ:
no he is not correct
Step-by-step explanation:
SA=113.04
SA=4pi*r^2
113.04=4*pi*r^2
113.04/4pi=r^2
8.995...=r^2
r= radical(8.995..)
r=2.9992...
r=3
the mistake happened when they forget to square the r in the SA formula