The surface area of cuboid is 262 if it's length and breath are 8cm and 7cm find its height
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Answered by
2
the surface area of cuboid is= 2(lb+hl+hb)so, 2(8×7+h8+ h7) = 262
262/ 2=56+15h,,,,, .
131-56=15h...
h=75/15
h=5cm
then the Right answer is 5cm
262/ 2=56+15h,,,,, .
131-56=15h...
h=75/15
h=5cm
then the Right answer is 5cm
Answered by
3
surface area of cuboid =2 (lb+bh+hl)
=2(8×7+7×h+h×8)
=2 (56+7h+8h)
=30h+112
from the question
30h+112=262
h=(262-112)/30
=250/30
=25/3
=2(8×7+7×h+h×8)
=2 (56+7h+8h)
=30h+112
from the question
30h+112=262
h=(262-112)/30
=250/30
=25/3
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