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Find the surface area of an open-top box with length 9 cm, width 6 cm, and height 10 cm.

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4 votes

Final answer:

The surface area of the open-top box is 408 cm².

Step-by-step explanation:

To find the surface area of an open-top box, we need to calculate the area of all its faces and add them together.

For the open-top box with a length of 9 cm, width of 6 cm, and height of 10 cm, we have:

Top face area: length x width = 9 cm x 6 cm = 54 cm²

Bottom face area: same as top face = 54 cm²

Two side face areas: height x width = 10 cm x 6 cm = 60 cm² x 2 = 120 cm²

Front and back face areas: length x height = 9 cm x 10 cm = 90 cm² x 2 = 180 cm²

Adding all these areas together, we get:

Total surface area = top face area + bottom face area + two side face areas + front and back face areas = 54 cm² + 54 cm² + 120 cm² + 180 cm² = 408 cm².

User Sabha B
by
8.3k points
1 vote
add all together then multiply it
User Cortiz
by
8.6k points

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