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gtnhenbr [62]
3 years ago
5

____ regular polygons are symmetrical.

Mathematics
2 answers:
Zielflug [23.3K]3 years ago
4 0
D, all apply
You can cut all in half and they will be equal
julia-pushkina [17]3 years ago
4 0

Answer:

Step-by-step explanation:

We have to find which type of Regular Polygons are symmetrical.

Regular Polygons are the polygons whose all sides and angles are equal.

For ex:- Equilateral triangle is a regular triangle as its all sides are equal and all angles are equal to 60°.

Square is a regular quadrilateral whose all sides are equal and all angles are equal to 90°.

Option A:

Even-sided  regular polygons are the polygons whose no of sides is an even no.

ex, quadrilateral with 4 side, hexagon with 6 sides.

They are symmetrical which no of line of symmetry equal to no of side.

Option B:

Odd-sided  regular polygons are the polygons whose no of sides is an Odd no.

ex, Triangle with 3 side, pentagon with 5 sides.

They are symmetrical which only 1 line of symmetry.

Option C:

Rectangular regular polygons are also symmetrical.

Therefore, Option D is correct .i.e., ALL regular polygons are symmetrical.

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Xelga [282]

Answer: 2.5 or 2 1/2

Step-by-step explanation:

You can convert the mixed fractions to decimal numbers:

- Divide the numerator by the denominator of the fraction.

- Add the result to the whole number.

Thenyou have:

Barbara's time: 3\ 3/10=3+0.3=3.3

Donna's time: 2\ 4/5=2+0.8=2.8

Cindy's time: 4\ 3/5=4+0.6=4.6

Nicole's time: 2\ 1/10=2+0.1=2.1

As you can see, the fastest girl is Cindy and the slowest girl is Nicole.

Then, you must make the following subtraction to calculate the difference:

4.6-2.1=2.5 or 2 1/2

8 0
3 years ago
14,779 107,033 123,737 round to the nearest hundred?
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Step-by-step explanation:

14,800

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3 0
3 years ago
2x + 3y = 15<br> x + y = 6<br> Work out the values of x and y.
Igoryamba

Answer:

x is 3

and

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3 years ago
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Artyom0805 [142]
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4.1 - 1.3 < x < 4.1 + 1.3
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so, the answer is 2.8 < x < 5.7
7 0
2 years ago
What is obtained by squaring the standard deviation?
anastassius [24]
<h2>Answer:</h2>

Variance

<h2>Step-by-step explanation:</h2>

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