the volume of of a cube of 729 cm²
find this surface area
Answers
Answered by
3
Step-by-step explanation:
let the edge of cube =acm
Volume =a^ 3
a^3 =729
a^3 =9^3
a = 9 cm
lateral surface area=4×9^2
=324cm^2
Total surface area =6a^2=
= 6×81=486cm^2
Answered by
2
Answer:
468 cm^2
Step-by-step explanation:
let side of the cube be a cm then,
volume of cube = a^3
a^3 = 729
a = 9 cm
now surface area of cube = 6a^2
SA = 6.9^2 = 6.81
SA = 486 cm^2
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