13. Find the total surface area of a rectangular box of length 12 cm, breadth 10cm and height 8cm.
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Answer:given:
1.length is 12cm.
2. breadth is 10 cm.
3.height isb8 cm.
explanation,
ractangular box TSA=2(lb+bh +lh)
2(12×10+10×8 + 8×12)
2(120+80+96)
2×296
596 cm^2.
Step-by-step explanation:
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