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sladkih [1.3K]
3 years ago
5

Surface area is always measured in square units. True False

Mathematics
2 answers:
OLEGan [10]3 years ago
6 0
<h3>Answer: True</h3>

Often we replace "units" with something like "feet" or "meters"

examples: square feet, square meters, square yards, etc

The "square" refers to the idea that any surface area can be unwrapped and lay flat, then you can break the area of that flat figure into smaller squares. A good example of this is a dice has 6 faces and each face is a square itself, so the total surface area is the sum of all the 6 square areas.

AlladinOne [14]3 years ago
6 0

Answer:

Surface area is always measured in square units. True

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Pani-rosa [81]
200!!!! because it’s 5x20 in each triangle and you divide by 2 so 5x20 is 100 and 100 divided by 2 is 50 and there are 4 squares so 50 x 4 and you get 200 hope that helped!!
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2 years ago
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A section of a rectangle is shaded. The area of the shaded section is 63 square units. What is the value of x?
ella [17]

Answer:

x=11  

Step-by-step explanation:

We have been given a graph of a rectangle. The area of the shaded section is 63 square units. We are asked to find the value of x.

We can see from our given graph that shaded section forms a trapezoid, so we will use area of trapezoid formula to find the value of x.

\text{Area of trapezoid}=\frac{(a+b)}{2}\times h, where, a and b represents the parallel sides of trapezoid and h represents height of trapezoid.

Upon substituting our given values in above formula we will get,

63=\frac{7+x}{2}\times 7

63=(7+x)*3.5

Upon dividing both sides of our equation by 3.5 we will get,

\frac{63}{3.5}=\frac{(7+x)*3.5}{3.5}

18=7+x

Let us subtract 7 from both sides of our equation.

18-7=7-7+x

11=x

Therefore, the value of x is 11 units.

5 0
3 years ago
What transformation(s) is taking place i’ll mark u the brainliest if u help
Ray Of Light [21]

Answer:

Reflection, Translation, and possibly Rotation

6 0
3 years ago
Two similar figures have sides in the ratio of 2:3. If a side of the smaller triangle has a length of 7, what is the length of t
dusya [7]
1) 7/2 = 3.5
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4 0
3 years ago
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Why does the fact family for 81 and 9 have only two number sentences
qwelly [4]
Because there are only two things you can do with these two " family" members. 81 divided by 9 is 9. 9 times 9 is 81. Strictly speaking, there should be three in the family: 9,9 and 81 9 is the square root of 81. 81 is the 9 squared.
8 0
3 years ago
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