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notka56 [123]
3 years ago
10

For which regular polygon is 30 degrees the smallest angle of rotational symmetry?

Mathematics
2 answers:
Natasha2012 [34]3 years ago
5 0

Answer:

the answer is D

Step-by-step explanation:

eduard3 years ago
4 0
<h3>answer.</h3>

•given that is smallest angle of rotational symmetry for a regular polygon is 30

•we have to find the number of side does the regular polygon have

•if we can rotate of figure around a center point be fewer than 360° and the figure appears and change then the figure has the rotation symmetry

<h3>Hence,12 number of sides the polygon.</h3>

no. of side= 360/ smallest angle at centre=12

<em>I hope</em><em> </em><em>it's </em><em>help</em>

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Work: x+4/x=45
×x both sides
X+4= 45X
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4=45x-x
4=44x
÷44 both sides
X=1/11
Answer: x=1/11
Check your work:
1/11+4/1/11=45
1/11+44/11/(1/11)=45
45/11÷1/11=45
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Answer is correct
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Step-by-step explanation:

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To find:

The length of n.

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Answer:

<h3>A.</h3>

Step-by-step explanation:

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--->  Decimal Form: 0.015625

(I also converted my work into a google doc, so I'll attach that since it's quite difficult to type out steps on brainly. Especially with fractions and trying to make the steps look clean and easy to read. But I hope this helps and thanks for telling me about the problem when I asked.)

<h3><--Shi, your friendly math problem solver.--></h3>

Don't hesitate to message me if you have any other math questions. I'd be happy to help. :D

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