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Mathematics

1 answer:

Lesechka [4]3 years ago

3 0

Answer:

Step-by-step explanation:

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A cube has side length of 2m. What is the surface area of the cube?

SVEN [57.7K]

Answer:

24 square meters.

Step-by-step explanation:

The surface area of the cube consists of 6 congruent squares with side length of 2 m.

The are of one such square is

$2\cdot 2=4\ m^2.$

Hence, the surface area of the cube is

$6\cdot 4=24\ m^2.$

8 0

3 years ago

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What’s the length of the mid segment of a trapezoid with bases of length 16 and 24

blagie [28]

Answer:

Step-by-step explanation:

The midsegment of a trapezoid is calculated as

$\frac{sumofbases}{2}$ = $\frac{16+24}{2}$ = $\frac{40}{2}$ = 20

7 0

3 years ago

Zane calculated the missing side length of one of these triangles using the Pythagorean Theorem. Which triangle is it?

topjm [15]

The pythagorean theorem states that for any RIGHT-ANGLED TRIANGLE, the relationship between the side lengths are A²+B²=C², where C is the hypotenuse :P

Which means that it can only be applied on right angled triangles~
So your answer would be B, a right-angled triangle.

Ask me if you are unsure about anything <3

6 0

3 years ago

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3. You have decided to wallpaper your rectangular bedroom. The dimensions are 12 feet 6 inches by 10 feet 6 inches by 8 feet 0 i

Shalnov [3]

Answer:

B. 5 rolls

Step-by-step explanation:

The areas of the room, not including the ceiling, are discriminated as follows:

Longer walls: $(12.5\times8)\times2=200ft^2$ (6 inches equals one foot)