find the side of a cube whose surface area is 864 cm square?
Answers
Answered by
56
surface area of cube is 6a²
6a²=864
a²=864÷6
a²=144
a=√144
a=12
side of cube is 12cm
6a²=864
a²=864÷6
a²=144
a=√144
a=12
side of cube is 12cm
Answered by
28
surface are of cube = 4a^2
4a^2= 864
a^2= 864 / 4
a= 216
a= 14.69 cm
4a^2= 864
a^2= 864 / 4
a= 216
a= 14.69 cm
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