Math, asked by anurishumahajan, 1 year ago

find the volume of a cube one face of which has an area of 81 m square

Answers

Answered by harshit8445

${81}^{3}$
81×81×81
531441

anurishumahajan: it's wrong answer

harshit8445: answer pata karne wala Babu

Answered by sagar13177

square of one face = 81 m sq.
so it mean length of one side = 9 m
because AREA = SIDE×SIDE
I.e. area = 9×9=81 m sq.
here we have length of one edge.
hence, volume of cube = 9×9×9=729 m cube

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