Total surface area of a cube is 294 cm? then its volume is.
(A) 7
(C) 343
(B) 49
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Answer:
Total surface area of the cube =6l^2= 294
6l^2=294
l^2 =49
l=7 cm
volume of the cube =l^3 = 7^3 =343
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Total surface area of a cube is 294
Total surface area of cube=6l^=294
6l^=294
l^=294/6
l^=49
l=7
volume of cube = l cube
= 7×7×7
= 343 cube
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