Find the side of a cube whose surface area is $294 c m^{2}$ .
A)7 cm
B)8 cm
C)9 cm
D)6 cm

Question

Find the side of a cube whose surface area is   294  c      m    2  . A)7 cm B)8 cm C)9 cm D)6 cm

Macas6tl · Accepted Answer

The right answer is B 7 cmWe know Surface area of cube   =  294  c      m    2     ∵ Surface area of cube   =  6  ×  s  i  d      e    2    ⇒  6  ×  S  i  d      e    2    =  294  ⇒  S  i  d  e  =            294      6        =      49    ⇒ Side=7 cm

Find the side of a cube whose surface area is 294 c m 2 ....

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