5. The volume of a cube, one face of which has an area of 81 m² is
d) 486
c) 243
a) 16.2
b) 729
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Answered by
1
Answer:
option b) 729
Step-by-step explanation:
it's an cube that's why the value of each single arm is equal and as an area of one face of the cube is 81m² that's why the value of an arm of the cube is 9m according to the formula of cubes volume the answer is 9³ = 729
Answered by
0
Step-by-step explanation:
729 is correct answer (b)
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