The answer is 1,944 cm cubed
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450 square centimeters
An arbitrary large number is the answer for anyrectangle, up to that with a length of 9cm, and 0cm as the width will have a perimeter of 18cm.Similarly, any rectangle up to that with sides 0cm long, and a width of 9cm will have your 18cm perimeter.
12 + 24 + 18 = 54cm (Or 0.54 metres)
The answer is 6.6
Volume = pi*r2*h = 40715.04 cubic cm
A cone with a base radius of 12 cm and a height of 18 cm has a volume of 2,714.34 cm3
Well, honey, tripling the height of the pyramid would not triple the volume. Volume is proportional to the height, not directly related. Tripling the height would increase the volume by a factor of 3, not 3 times more. Math can be a tricky little devil sometimes!
The area of a parallelogram with base 18cm and perpendicular height 18cm is 324 cm2
18cm = 180mm
You can't calculate the volume here as such the height is not mentioned here and for calculating volume you need height,breadth and length.
18cm is about 7 inches
18cm = 180mm
18cm.
49 x 44 x 18 = 38808cm3 (cm3 means that the answer is cubed.)
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7.0866 inches