find the surface area of top and bottom of a cuboid 12m long,7 cm wide and 6m high
MENTOR90:
Is it 7 cm or m
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hello
the surface are of cuboid is 2(lb+bh+lh)
so we can put this eqution onthis forumla
lenght=12
breath=6
and hieght=7
2(12multiply6+6multiply7+12multiply7)
2(72+42+84)
144+84+168
= 396 is the answer
the surface are of cuboid is 2(lb+bh+lh)
so we can put this eqution onthis forumla
lenght=12
breath=6
and hieght=7
2(12multiply6+6multiply7+12multiply7)
2(72+42+84)
144+84+168
= 396 is the answer
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