maths 0580 questions.

[inquisitiveness]

the area of a regular pentagon is 600cm2.calculate the length of one side of the pentagon.

 

[applepie1996]

AREA of a penatgon = 1.7 x s^2 .....this is the formula
now they are asking you to find the length of one side so
600=1.7 x s^2
s= sqrt[600/1.7]
s=18.8cm
i hope you got it

 

[inquisitiveness]

hey!thanks alot..but 1.7 x s^2 is the formula?really?
is that even in that in our syllabus ?

 

[applepie1996]

is this a past paper question ??? :S

 

[Iishrak]

is this a past paper question ??? :S

that can't be past papers quesiton, i'm assuming from d rayner's book -_-

 

[inquisitiveness]

Its from the blue igcse maths textbook.Not sure who is the author ;p

 

[applepie1996]

well then...........lets just hope you wont get a question like this sine its not in your syllabus

 

[applepie1996]

maybe you have to use the formula 180(n-2)/n and somehow do it :S

 

[iThink LARGE]

does anyone hav resources on matrices !! help !!

 

[Tayeb Abdulrahman]

Please visit http://drtayeb.com