3. The surface area of a cube is 1350 emi. Find the volume of the cube

1.	3. The surface area of a cube is 1350 emi. Find the volume of the cube.ht circular cylinder is 250 cm Ii the heer 5m
Answer» Total surface area of cube = 6 a² But, Tsa of cube = 1350 cm² ∴ 6a² = 1350 ⇒ a² = 1350/6 ⇒ a² = 225 cm ⇒ a = √ 225 ⇒ a = 15 cm The side of the cube = 15 cm. Now, Volume of cube = a³ ⇒ ( 15 )³ ⇒ 15 × 15 × 15 ⇒ 3375 cm³ Volume of cube : 3375 cm³

3. The surface area of a cube is 1350 emi. Find the volume of the cube.ht circular cylinder is 250 cm Ii the heer 5m

Answer»

Total surface area of cube = 6 a²

But, Tsa of cube = 1350 cm²

∴ 6a² = 1350

⇒ a² = 1350/6

⇒ a² = 225 cm

⇒ a = √ 225

⇒ a = 15 cm

The side of the cube = 15 cm.

Now,

Volume of cube = a³

⇒ ( 15 )³

⇒ 15 × 15 × 15

⇒ 3375 cm³

Volume of cube : 3375 cm³