The cost of painting 36 identical wooden cubical boxes at the rate of rupees 24per cm2 is rupees 331776 find the edge of each cubical boxes
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The cost of painting 36 identical wooden cubical boxes at the rate of rupees 24per cm2 is rupees 331776 find the edge of each cubical boxes
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Answer:
the correct answer is 8 cm
Step-by-step explanation:
if if we divide the total cost by the rate of painting then we will get total surface area of total 36 cubes together.
that is ,
331776 / 24= 13824
total surface area of total 36 cubes is 13824cm2
if total surface area of one cube is 6a^2
send the total surface area of 36 cubes will be 36×6a^2= 216a^2 which will further be equal to 13824cm2
NOW,
216a^2= 13824
a^2= 13824/216 = 64
a=√64
a=8 cm
therefore the side length of the cubes is 8cm
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