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forsale [732]
3 years ago
9

The surface area of the cube is 54 square feet. What is the length, in feet, of one edge of the cube?​

Mathematics
1 answer:
Brut [27]3 years ago
5 0

Answer:

3 ft

Step-by-step explanation:

A cube is made of 6 equal faces each of which is a square with the same side length. The surface area of the cube is the surface area of one side multiplied by 6. We know the surface area is 54 so divide this by 6.

54/6 = 9 ft^2

Since the surface must be a square, take the square root of 9 which is 3 ft. The length of one edge of the cube is 3 ft.

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Answer:

400

Step-by-step explanation:

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\frac{new}{initial} = \frac{12000}{30}=400

Hope this helps!

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3 years ago
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shtirl [24]
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4 0
3 years ago
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Triangle HIJ is similar to triangle KLM. Find the measure of side MK. Round your answer to the nearest tenth.
AnnZ [28]

Answer:

MK\approx 87.7

Step-by-step explanation:

By definition, similar polygons have corresponding sides in a constant proportion. Therefore, we can set up the following proportion (ratio of corresponding sides) to solve for MK:

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3 years ago
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