Question

The perimeter of one of the faces of the cube is 30 cm. Find the lateral surface area of a cube​

Answer 1

Answer:

Let a be the edge of cube,

∴ Perimeter of one face of cube

= 20 cm

⇒ 4a = 20 ⇒ a = 5

∴ Lateral surface area of cube

= 4a2

= 4 (5)2 = 100 cm2

Hope it helps u friend

Answer 2

Answer:

Answer is

Step-by-step explanation:

=4(5)2

=100cm2

Hope it helps you..dear