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julsineya [31]
2 years ago
10

The base of a regular pyramid is a hexagon

Mathematics
1 answer:
Readme [11.4K]2 years ago
7 0

Answer:

Below in bold.

Step-by-step explanation:

The hexagon is made up of 6 equilateral triangles.

So the Base = 12 cm.

Height a = 12 cos 30 = 10.392 cm

So area of 1 triangle =  1/2 * 12 * 10.392 cm^2

- and total area =  6 *  1/2 * 12 * 10.392

= 36 * 10.392

= 374.11 cm^2 to the nearest hundredth.

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1/2 of lla's workspace is covered in paper.1/3 of the paper is covered in yellow sticky notes.What fraction of lla's workspace i
Blababa [14]

Answer:

\frac{1}{6}

Step-by-step explanation:

We have been given that 1/2 of Ila's work-space is covered in paper.1/3 of the paper is covered in yellow sticky notes.

First of all, we will draw a model to represent our given information as shown in the attached image.

To find the fraction of Ila's work-space that is covered in yellow sticky notes, we need to find 1/3 of 1/2 as:

\text{Ila's work-space that is covered in yellow sticky notes}=\frac{1}{2}\times \frac{1}{3}

\text{Ila's work-space that is covered in yellow sticky notes}=\frac{1}{2\times 3}

\text{Ila's work-space that is covered in yellow sticky notes}=\frac{1}{6}

Therefore, \frac{1}{6} of Ila's work-space is covered in yellow sticky notes.

3 0
4 years ago
Which of the following gives all of the sets that contain sqrt9?
Rudik [331]

Answer: C the set of all integers, the set of all rational numbers, and the set of all real numbers

Step-by-step explanation: The value of square root of 9 is ±3. This means that there two answers to square root of 9: 3 and -3.

As far as 3 is concerned, it is one of the elements of the natural number set. It is already known that natural numbers are also whole numbers, also integers, also rational numbers, and also real numbers.

As far as -3 is concerned, it is not a natural number since the set of natural numbers does not contain negative numbers. -3 is an integer. Which means that -3 is also a rational number and also a real number.

After identifying the common sets and taking the intersection of both the above classifications, it yields the set of all integers, the set of all rational numbers, and the set of all real numbers

Hopes this helps bro

4 0
3 years ago
Cho tam giác abc có bm,cn là đường trung tuyến . Nếu bm = cn chứng minh tam giác abc cân . Từ đó rút ra định lý trong một tam gi
chubhunter [2.5K]
6251=6635277262562748
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3 years ago
A sphere and a cylinder have the same radius and height. The volume of the cylinder is 18 cm
neonofarm [45]

Answer: b

Step-by-step explanation: ik

7 0
3 years ago
Y = 10 - 2x<br> x = y - 4<br> How do you solve this system using substitution?
astraxan [27]

Answer:

im not sure what answer you are trying to find but i hope this helped

Step-by-step explanation:

y = 10 - 2x

x = y - 4

(input x)

y = 10 - 2(y - 4)

y = 10 - 2y + 8

3y = 10 + 8

3y = 18

y = 6

4 0
3 years ago
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