A glass fish tank is 20 inches tall, 30 inches wide, and 12 inches deep. The top is open-there is no lid. How many square inches of glass are needed to make the fish tank?

828. all there is to it!

here, if you ever need with rounding (or other forms of arithmetic/math) again, use this:

thats the rounding one, but if you just click the top left, it shows you all the calculators you may need!

; )

step-by-step explanation: ; )

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i'm sure goog can you get that answer