Can you help? i forgot how to find the surface area!

Mathematics

2 answers:

Rainbow [258]3 years ago

8 0

Answer:

To find the surface area of a cuboid, add the areas of all 6 faces. You can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

Step-by-step explanation:

Hatshy [7]3 years ago

4 0

Answer:

Surface Area: 204mm^2

Step-by-step explanation:

The formula for the surface area of a rectangular prism is: 2(lw + wh +lh)

Our length, width and height are:

Length: 15mm

Width: 3mm

Height: 4mm

Then, we plug it in.

2(15x3 + 3x4 + 15x4)

2(30 + 12 + 60)

2(102)

204mm^2

Therefore, our surface area for the rectangular prism is 204mm^2.

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Hope this helps!

7 0

2 years ago

Plz will give brainlest if do all only answer if do all too thanks

hoa [83]

Answer:

sorry but i cant see what you have can you try again?

Step-by-step explanation:

5 0

2 years ago

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