mariapernez11
find the measure of each of the angles of a regular 8-sided polygon.
The measure of each of the angles of a regular 8-sided polygon is?
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sasogeek
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hi
sasogeek
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umm do you have an idea what you're supposed to do?
mariapernez11
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no I don't could u show me an example. I have two more of these two do
sasogeek
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ok so let's see if you get this. if you can find the total sum of all the angles and divide it by the number of angles, you can get the value of one of the angles... makes sense?
mariapernez11
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yes it makes sense
sasogeek
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do you know how to find the sum of all the angles of a polygon though?
mariapernez11
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no
sasogeek
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there's a formula for it.
Sum = (n-2)*180
where n is the number of sides of the polygon, in this case 8.. so let's do the first part. find the sum of the angles and tell me what you got :)
mariapernez11
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ok
mariapernez11
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1,080
sasogeek
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well done :) now how many angles does an 8 sided polygon have...?
mariapernez11
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5
sasogeek
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let's find out
sasogeek
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|dw:1345169715398:dw|
\(\huge 8\ sides \ 8\ angles \)
mariapernez11
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I see what I done wrong. thanks for showing me. I have one more problem if you can show me how to do it. It has to do finding coordinates.
sasogeek
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what did u get as ur answer for this one?
mariapernez11
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135
sasogeek
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well done :) i hope you can do the rest now...
mariapernez11
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P(0,0)>P_____
Q(-1,1)>Q_____
R(-9,-3)>R_____
S(7,14)>S_____
T(r,s)>T____
sasogeek
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if you have another question, please post it as a new question :) on the left side x