tiffuuu
20.09.2019 •
Mathematics
Find the length of a rectangular prism having a volume of 2,830.5 cubic meters,width of 18.5 meters, and hieght of 9 meters
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Ответ:
So we know 18.5 x 9 x Length = 2,830.5
Divide by 18.5 and 9 and you are left with the length of 17 xD
Ответ:
area = 138 m²
Step-by-step explanation:
radius of large circle = 12 m
radius of small circle = 10 m
large circle area = πr² = (3.14)(12²) = 452.16 m²
small circle area = πr² = (3.14)(10²) =314 m²
452.16 - 314 = 138.16 m²