72 square meter
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It is: 6*2*2 = 24 square m
Convert 6.0 m to 'mm' , which is 6,000mm Hence 10 mm X 6,000 mm = 60,000 mm^(2) Or in m^(2) 10mm = 10/1000 = 0.01 m Hence 0.01 x 6.0 m = 0.06 m^(2)
The lateral area is 122.68m2
Area of a circle = pi*radius2
Let the numbers be m & m+1 (consecutive) Hence their squares are m^2 & ( m + 1)^2 => m^2 & m^2 + 2m + 2 Hence Their sum is m^2 + m^2 + 2m + 1 = 85 2m^2 + 2m - 84 = 0 m^2 + m - 42 =0 Factor (m + 7)(m - 6) = 0 Hence the numbers are 6 & 7 .