#1
o might and powerful pit populus, i really need your help for a very important maths question...

all of the following are regular with a perimeter of 48 cm.

octagon- 8 sided
decagon-10 sided
duodecagon- 12 sided

area of thes shapes desperately needed

please could you also explain the working out
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#2
Do your own homework
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#4
does anyone know how to even go around doing it?
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so far 61 people think he looks like angry kid
#5
Octagon: 48 / 8 = 6cm per side.

6^2 = 2a^2
36 = 2a^2
18 = a^2
sqr18 = a
4.2426407 = a

Area = 6^2 + (a^2/2)*4 + (6*a)*4
Area = 36 + (4.2426407^2/2)*4 + (6*4.2426407)*4
Area = 36 + 9 + (25.455844)*4
Area = 36 + 9 + 101.82338
Area = 146.82338

Yeah, it's probably way off Good luck though.
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#6
uhh just ****ing google it?
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#8
I have a more important question: Why do you UK people pluralize math? It confuses me and sounds so...wrong...
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#9
Quote by Sid McCall
I have a more important question: Why do you UK people pluralize math? It confuses me and sounds so...wrong...


i suppose that its because its a shortened form of mathematics, which is a plural
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PM me if you think my drummer looks like angry kid


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#10
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thanks
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Buy the toilet Hendrix crapped in for the full "Jimi Hendrix Experience"




PM me if you think my drummer looks like angry kid


so far 61 people think he looks like angry kid
#11
Why do we pluralise maths?

Hmmm, perhaps us inventing the English Language has something to do with it?

You yanks are b*****dising the words, not us.
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#12
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Why do we pluralise maths?

Hmmm, perhaps us inventing the English Language has something to do with it?

You yanks are b*****dising the words, not us.


+1

and learn to ****ing spell you damn yanks wtf is color its coloUr
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#14
Shut the fuck up about the different spellings. There are different dialects of English just like there are different dialects of Spanish. Spanish spoken in Mexico is different to Spanish spoken in Spain. English spoken in the US is different than English spoken in the UK. Your version being around longer means absolutely nothing.
#15
Quote by Sid McCall
I have a more important question: Why do you UK people pluralize math? It confuses me and sounds so...wrong...


We do it because you touch yourself at night.
TO = used for expressing motion or direction toward a point, person, place, or thing approached and reached, as opposed to from

TWO = the number 2

TOO = in addition; also; furthermore; to an excessive extent or degree
#16
As for the original question, the only way I can think of to work out the areas of the more complex shapes would be to split them into triangles. May not help though.


Quote by Sid McCall
I have a more important question: Why do you UK people pluralize math? It confuses me and sounds so...wrong...


Makes pretty good sense to me since it's just short for mathematics. And to us, saying "math" sounds ridiculous. It's like going around saying "physic". But ah well, what can you do. We all speak in different ways.