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Calculate the total surface area of this 3-dimensional object with these dimensions:

Height = 3cm
Length = 4cm
Width = 3cm

Calculate the total surface area of this 3-dimensional object with these dimensions-example-1

1 Answer

6 votes

Answer:

66 sq cm

Explanation:

To calculate the surface area, we need to find the area of all the sides of the box. But don't worry, there is a formula for this.

2(wl + hl + hw)

we simply substitute these values in and we get

2(12 + 12 + 9)

2(33)

that means that the surface area is 66 sq cm

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