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Mathematics 7 Online
OpenStudy (anonymous):

how do i find this pic in comments?

OpenStudy (anonymous):

OpenStudy (mayankdevnani):

do you know the formula for finding surface area of pyramid?

OpenStudy (mayankdevnani):

@nabiladh

OpenStudy (anonymous):

A=lw+l(w2)2+h2+w(l2)2+h2

OpenStudy (anonymous):

nvm i got 208

OpenStudy (mayankdevnani):

just plug values in the equation and solve for surface area

OpenStudy (mayankdevnani):

no..you are wrong...you do a calculation mistake. Can you tell me 221.58 is correct answer or not?

OpenStudy (mayankdevnani):

@nabiladh

OpenStudy (anonymous):

not thats wrong

OpenStudy (anonymous):

not even an answer choice

OpenStudy (mayankdevnani):

what is the correct answer

OpenStudy (anonymous):

208

OpenStudy (mayankdevnani):

yeah... this is correct...sorry for calculation mistake..

OpenStudy (mayankdevnani):

here is the solution :- i write it directly, \[\huge \bf (8 \times 8)+4(\frac{8 \times 9}{2})=208\]

OpenStudy (mayankdevnani):

\[\huge \bf \color{red}{Area}=\color{blue}{b^2}+4(\frac{bh}{2})\]

OpenStudy (mayankdevnani):

understood? @nabiladh

OpenStudy (anonymous):

yes i did that by myseld thanks anyways

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