Question

find the total surface area,lateral surface area and the length of the diagonal of a cube whose edge is 4.5 cm​

Answer 1

Step-by-step explanation:

total surface area of cube=6l²

=6×4.5×4.5

=6×20.25

=121.50

lateral surface area of cube=4l²

=4×4.5×4.5

=81

diagonal of cube =

$\sqrt{3l}$

$\sqrt{3 } \times 4.5$

1.73 × 4.5

7.785