answer soon 9 nd 10,11
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Ques 8 :
Suraface area of cube =6a^2
126 = 6a^2
126÷6 = a^2
21 = a^2
4.5 = a
Now the volume of cube = a^3
4.5*4.5*4.5
91.125 cube. Cm
Suraface area of cube =6a^2
126 = 6a^2
126÷6 = a^2
21 = a^2
4.5 = a
Now the volume of cube = a^3
4.5*4.5*4.5
91.125 cube. Cm
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11 answer is 4900......
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