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The total surface area of a cuboid with dimension 10 cm × 6 cm × 5 cm is - Mathematics

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प्रश्न

The total surface area of a cuboid with dimension 10 cm × 6 cm × 5 cm is

विकल्प

  • 280 cm2 

  • 300 cm2 

  • 360 cm2 

  • 600 cm2 

MCQ
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उत्तर

280 cm2 

Explanation;

Hint:

T.S.A of a cuboid = 2(lb + bh + lh) sq.units

= 2(10 × 6 + 6 × 5 + 10 × 5) cm2

= 2(60 + 30 + 50) cm2

= 2 × 140 cm2

= 280 cm  

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अध्याय 7: Mensuration - Exercise 7.4 [पृष्ठ २६४]

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सामाचीर कलवी Mathematics [English] Class 9 TN Board
अध्याय 7 Mensuration
Exercise 7.4 | Q 6 | पृष्ठ २६४

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