Question

please answer this question ​

Answer 1

put the total surface of area formula of voulme of cube

Answer 2

Step-by-step explanation:

Total surface area of the hemisphere =462cm^2

Total surface area of the hemisphere =2πr ^2

⇒462=3πr ^2

⇒r=7 cm

Volume of hemisphere = 2/3 πr ^3

V= 2/3 × 22/7 ×7 ^3

V=718.67cm ^3