the total surface area of a cubical box is 486². find thelenght of an edge of this box
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Answer:
surface area ka formula 6a^2 hota hai toh ise 486 kay equal rakh do toh edge ki value 9 cm aayege
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1
Answer:
Let a be the side of the cubical box
Given total surface area of a cubical box is 486cm² i e 6a²=486
⇒a²= 486⇒a² =81⇒ a = 9cm
volume of the box =a³=9³
=729cm³
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