Find the total surface area of a cuboid whose length = 9cm, width = 7cm and height = 5.5cm.
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Answered by
1
length =l= 9 cm
width = w =7cm
height=h=5.5 cm
Total surface area=2(lw+wh+lh)
=2[9*7+7*5.5+9*5.5]
=2[63+38.5+49.5]
=2(151)
=302 cm^2
width = w =7cm
height=h=5.5 cm
Total surface area=2(lw+wh+lh)
=2[9*7+7*5.5+9*5.5]
=2[63+38.5+49.5]
=2(151)
=302 cm^2
Answered by
0
T.S.A of a cuboid = 2(lb+bh+hl)
=2(9×7+7×5.5+5.5×9)
=2(63+38.5+49.5)
=2(151)
=302cm^2
=2(9×7+7×5.5+5.5×9)
=2(63+38.5+49.5)
=2(151)
=302cm^2
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