The volume of a cuboid is 420 cu. cm. If its length is 7 cm and height is 5 cm, then find its breadth. *
Answers
Answered by
3
Answer:
cuboid.
Medium
Solution
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volume of cuboid =l×b×h=448cm
3
=l×b×7=448cm
3
=l×b=64cm
2
but base is square
∴l=b
∴l
2
=64cm
2
⇒l=b=8cm
surface area =2(lb+lh+bh)
=2(8×8+8×7+8×7)
=2(64+56+56)
=352cm
2
Answered by
3
Answer:
breadth of Cuboid is 12cm
Step-by-step explanation:
length=7cm
height=5cm
volume = 420cucm
Volume of Cuboid = l×b×h
420=7×b×5
420=35×b
420/35 =b
12 = b
breadth=12cm
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