Find the ratio of surface areas of cubes whose volumes are 216 cm' and

1.	Find the ratio of surface areas of cubes whose volumes are 216 cm' and 512 cm respectively.6 Ir both the height and diameter of a cylinder are r сm, then find the curved surface area and totalsurface area of the cylinder.
Answer» ANSWER:SA of cube 1 216 ---------------------- = -------- SA of cube 2 512 6a² 216 --------- = --------- 6A² 512 a² 54 ---- = ------- A² 128 a² 27 ---- = --------- A² 64 a √27 --- = ----- A 8 ⇒The RATIO is √27 : 8 here is ur answer

Find the ratio of surface areas of cubes whose volumes are 216 cm' and 512 cm respectively.6 Ir both the height and diameter of a cylinder are r сm, then find the curved surface area and totalsurface area of the cylinder.

Answer»

ANSWER:SA of cube 1 216

---------------------- = --------

SA of cube 2 512

6a² 216

--------- = ---------

6A² 512

a² 54

---- = -------

A² 128

a² 27

---- = ---------

A² 64

a √27

--- = -----

A 8

⇒The RATIO is √27 : 8

here is ur answer