Question

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​

Answer 1

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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