Three cubes each of sides 5cm are joined end to end then the surface area of resulting cuboid is:-
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Answered by
17
steps by step explanation :-
side of one cube = 5cm (given)
if 3 cubes are joined then,
length of resulting cuboid = 15 cm
breadth = 5cm
height = 5cm
TSA of cuboid = 2(lb + bh + hl)
= 2( 15.5 + 5.5 + 5.15 ) sq cm
= 2(75 + 25 + 75 ) sq cm
= 2(175) sq cm
= 350 sq cm.
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ankitasharma90:
your answer is wrong
what is ans ?
350cm2
oh.. sorry just digit got changed...only the last step i wrote wrong by mistake otherwise whole solution is absolutely correct
i will change the digit
kk
plz mark my ans as brainliest...thanks for correction❤️
kk
Answered by
4
Answer:
Step-by-step explanation:
side of one cube = 5cm
if 3 cubes are joined then,
length of resulting cuboid = 5*3
=15cm
breadth = 5cm
height = 5cm
TSA of cuboid = 2(lb + bh + hl)
= 2( 15*5 + 5*5 + 5*15 ) sq cm
= 2(75 + 25 + 75 ) sq cm
= 2(175) sq cm
= 350 sq cm.
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