Question

please solve my questions

Answer 1

surface area of cube is= 6a²

6*9=54
54+54+54+54+54+54



in that way you get answer

Answer 2

Hey friend, Here is your answer-
Total surface area of cube = 6l^2
= 6 × 3^2
= 6× 9
= 54

Therefore the it's surface area is 54 cm2

Hope it will help you.
Please Please make me brainliest