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CBSE Class 9 Answered

length=12m,breadth=8m, and height=4.5m find the total surface area  
Asked by raviraj23032003 | 15 Jul, 2018, 09:28: PM
answered-by-expert Expert Answer
l = 12 m, b = 8 m, and h = 4.5 m
Total surface area = 2(lb + bh + hl)
                           = 2(12 × 8 + 8 × 4.5 + 4.5 × 12)
                           = 2(120 + 36 + 54)
                           = 420 m3
Answered by Sneha shidid | 16 Jul, 2018, 10:15: AM

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