A cube has the total surface area of 486cm find its lateral surface area
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Answer;
lateral surface area of cube= 324 cm^2
Step-by-step explanation:
given:
Total surface area of cube=486 cm
using surface area of cube(S.A) =6a^2
S.A=486 (SA=486 ,given)
6a^2=486
a^2=486/6
a^2=81
a= square root 81
a=9
using lateral surface area(L.S.A) =4a^2
L.S.A=4*9^2
L.S.A=4*81
L.S.A=324cm^2
Answered by
1
Done ............................the ans is 324cm^2
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