Math, asked by tanisha8178, 1 year ago

please solve the 6 sum

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Answered by palakmittal2208

1

surface area =552cm^2
l=12cm
b=9cm
h=?
volume=?

s.a = 2(lb+bh+hl)
552=2(12×9+9×h+h×12)
276=(108+21h)
168=21h
h=8cm
vol.=lbh =12×9×8=864cm^3

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