Find the surface area of a box whose length, breadth and heightare 9 cm, 10 cm and 3 cm respectively.
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Answered by
3
Answer:
surface area=2(90+30+27)=2×147=294cm^2
Answered by
0
Answer:
294 cm^2
Step-by-step explanation:
2((9×10)+(9×3)+(10×3)) cm^2
=2(90+27+30) cm^2
=147×2 cm^2
=294 cm^2
Fomula used is 2(lb+lh+bh) units^2.
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