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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ७ वी

Find the total surface area of the cuboid in length, breadth, and height as given below: 2.5 m, 2 m, 2.4 m

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प्रश्न

Find the total surface area of the cuboid in length, breadth, and height as given below:
2.5 m, 2 m, 2.4 m
बेरीज
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उत्तर

Length of the cuboid, l = 2.5 cm

Breadth of the cuboid, b = 2 m

Height of the cuboid, h = 2.4 m

The total surface area of the cuboid

= 2(l × b + b × h + l × h)

= 2(2.5 × 2 + 2 × 2.4 + 2.5 × 2.4)

= 2(5 + 4.8 + 6)

= 2 × 15.8

= 31.6 sq.m.

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पाठ 12: Perimeter and Area - Practice Set 47 [पृष्ठ ८६]

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बालभारती Mathematics [English] Standard 7 Maharashtra State Board
पाठ 12 Perimeter and Area
Practice Set 47 | Q 2.3 | पृष्ठ ८६
बालभारती Mathematics Integrated [English] Standard 7 Maharashtra State Board
पाठ 12 Perimeter and Area
Practice Set 47 | Q 2. (iii) | पृष्ठ ६४

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