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Pavlova-9 [17]
3 years ago
8

Are regular polygons always the same?

Mathematics
2 answers:
rosijanka [135]3 years ago
8 0
A regular has to be the same on all sides BUT since it's regular the answer is yes... I think...
Pachacha [2.7K]3 years ago
4 0
No there's many of them is like the figures there are regular hexagon and irregular hexagon. and the other figures are the same

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In the diagram, HGF is a straight line. Given EF = 4 cm and HG = GF = 3 cm, find :
Alecsey [184]
If HG and GF are both 3, then the whole length of the base is 6. The tan ratio is the side opposite the reference angle (length 4) over the side adjacent to the angle (length 6), which for us looks like this:
tan(x)= \frac{4}{6} = \frac{2}{3}=.6666667
Now use the inverse tan button (2nd-->tan) to get
tan^{-1} (.66667)=33.69
As far as the sin y goes, you have to use the Law of Sines because you are not working with a right triangle in that case.  I mean you are as far as having to find out what the hypotenuses are triangle EFH and triangle EFG.  The hypotenuse in triangle EFH is 7.211, and the hypotenuse in triangle EFG is 5. Using the Law of Sines to solve for y, you get this:
\frac{siny}{7.211} = \frac{sin33.69}{5}
Solving for y and using the inverse sin gives you that y = 53.12
If you are not familiar with setting up the Law of Sines, nothing I could tell you here would help. If you are familiar, then you get the idea of where the numbers came from and why they are set up that way. Hope that helps. That second part was quite hard.

7 0
3 years ago
Who ever answers first will be marked brainliest
alina1380 [7]

i answered first now hand it over

6 0
2 years ago
Read 2 more answers
Explain how to decide whether to use graphing, substitution, or elimination to solve a system of equations.
Bess [88]
It depends on the systems of equations. I would stay away from elimination, go for substitution and graph only if asked.
4 0
2 years ago
Convert 0.092 into a fraction
sdas [7]

Answer:23/250

Step-by-step explanation:

0.092=23/250

7 0
2 years ago
What is the numerical solution of sec^2(-pi/4)?
Kazeer [188]
Sec²(-π/4)

sec x= 1/ cos x
cos(-π/4)=cos(π/4)  as even function
cos(π/4) = (√2)/2
sec(-π/4) =1/(cos(-π/4))=1/cos(π/4)= 2/(√2)

sec²(-π/4)=( 2/(√2))²= 4/2=2

sec²(-π/4) = 2

7 0
3 years ago
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