18080980
28.08.2021 •
Mathematics
On a drawing, the length of a cruise ship is 300 mm. It's actual length is 360 m.
a) Express the scale of the drawing and the form 1: n.
(a) ___________[2]
The ship has a swimming pool in the shape of a square on its deck. The area of the pool is 250 m', Find the length of one side of the pool on the drawing, giving your answer in mm.
I took a little screenshot but where it says the area of the pool is 250 M' and then it has that' after the M that's actually at 2 ..
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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