Question

The perimeter of each face of a cube is 40cm.Its lateral surface area is

Answer 1

Answer:

perimeter=40cm

edge=10cm

L. S. A of cube= 4a²

=4×10²

=4×100

=400 cm²

Answer 2

Answer:

Lateral surface area of the cube is 400 cm^2.

Step-by-step explanation:

Perimeter of each face of the cube = 4a = 40 cm

Each side of the square = 40cm/4 = 10cm

Lateral surface area of the cube = 4a^2 = 4×(10cm)^2 = 4×100cm^2 = 400cm^2

Hope it helps!!☺️✌️