how much cardboard is needed to make a rectangular box of length 12cm breath 10cm height 7cm
Answers
Answered by
35
the cardboard needed is it's TSA
TSA=2(LH+LB+BH)
=2(84+120+70)
2(274)
548cm cardboard
TSA=2(LH+LB+BH)
=2(84+120+70)
2(274)
548cm cardboard
JunaidMirza:
(84+120+70) = 274
Answered by
29
Surface area of rectangular box = 2(lb + bh + lh)
= 2 × [(12 cm × 10 cm) + (10 cm × 7 cm) + (12 cm × 7 cm)]
= 548 cm²
Cardboard of Area 548 cm² is needed.
= 2 × [(12 cm × 10 cm) + (10 cm × 7 cm) + (12 cm × 7 cm)]
= 548 cm²
Cardboard of Area 548 cm² is needed.
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