Area of whole surface of a cube is 216sq. cm, then the volume of the cube is
a) 343 cu.cm.
(b) 216 cu.cm
c)121 cu.cm.
(d) 225 cu.cm.
Answers
Answered by
0
Answer:
surface of a cube = 6a^2
216 = 6a^2
216/6 =a^2
a^2 = 36
a = 6 cm
volume of the cube = a^3
= (6)^3
= 216
Answered by
0
Answer:
Total surface area of cube = 216 cm²
. i.e., 6a² = 216
a² = 216/6 = 36
a = √36 = 6cm
Volume of cube = a³
= 6 × 6 × 6 = 216 cm³
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