what is edge of cubical box with 81cm2 is lateral surface area
Answers
Answered by
0
Answer:
Area of one face of a cube = 81 sq cm. Hence, each side of the cube = 81^0.5 = 9 cm. So volume of the cube = 9^3 = 729 cc.
Answered by
1
Answer:
the length of edge is 4.5cm
Explanation:
given:
LSA of cube = 81cm^2
edge (a) =?
LSA of cube = 4a^2
81 = 4a^2
81/4 = a^2
20.25 = a^2
(4.5)^2 = a^2
a = 4.5
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