2. The volume of a cube is 729 cm'. Find its total surface area.
Solution and determine its breadth
Answers
Answered by
1
Answer:
if x is the side of a cube then it's volume is x^3
here x^3=729=9^3
x=9
so side of the cube is 9 cm
total surface area of a cube is 6 side^2
here total surface area is 6.9^2 sqcm
=6.81sqcm=486 sqcm
Answered by
1
Answer:
4374cm²
Step-by-step explanation:
volume of cube= 729cm³
a³=729cm³
a= √729cm³
a=27cm
total surface area=6a²
=6x 27x27
=4374cm²
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