Find the total surface area of a closed cardboard box of length 0•5 m breath 25 cm height 15 cm
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total surface area =2 (0.5×25+25×15+15×0.5)
=2×375
=750 Sq cm
=2×375
=750 Sq cm
Answered by
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the total surface area.
2(0.5 ×25 + 25 × 15 + 0.5× 15) = 2 × 395 = 790
2(0.5 ×25 + 25 × 15 + 0.5× 15) = 2 × 395 = 790
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