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(A rectangular brick measurses 6cm by 9cm by 20 cm and has a mass of 2.563 kilograms.) What is the brick's surface area in squa...Asked by joe
(A rectangular brick measurses 6cm by 9cm by 20 cm and has a mass of 2.563 kilograms.)
What is the brick's surface area in square centimeters, and square centimeters?
What is the brick's surface area in square centimeters, and square centimeters?
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Answered by
drwls
Why do the same calculation twice? Did you copy the question correctly?
There are two sides with 6 x 9 cm^2 area, two sides with 6 x 20 cm^2 area, and two sides with 9 x 20 cm^2 area. Compute and add up the areas.
You don't need the mass to do this problem.
There are two sides with 6 x 9 cm^2 area, two sides with 6 x 20 cm^2 area, and two sides with 9 x 20 cm^2 area. Compute and add up the areas.
You don't need the mass to do this problem.
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