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Genrish500 [490]
3 years ago
11

Someone please help me I'm confused​

Mathematics
2 answers:
Vesnalui [34]3 years ago
8 0

Answer:

Step-by-step:

Ok. First, for volume, you do V= L x W x H.

What that means is, you would do 25cm x 20cm x 4cm. That would give you the answer.

Now for surface area, I don’t know the formula, I do it in my head. The answer for Surface Area is 1,360 cm.

I hope I helped you!

Alex777 [14]3 years ago
6 0

Answer:

Volume: 2000 cm^3     Surface Area: 1360cm^2

Step-by-step explanation:

Ok, so we know the formula for volume is length x width x height, so we can substitute in the numbers given, so we end up with:

25 x 4 x 20

when we multiply them together, we get:

2000cm^3. That's the volume.

The formula for Surface Area is:

S.A.=2(lw+wh+lh) . Now we substitute in the numbers given

S.A.=2( (25 x 4)+(4 x 20)+(25 x 20)) . Then we add and multiply, so we get:

S.A. = 1360cm^2

The Surface Area is 1360cm^2.

Hope this helped, sorry if I was wrong somewhere!

~Mschmindy

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