Question

Find the total surface area and length of the diagonal of a cube is whose age measure 12 m take root 3 is equal to 1.73

Answer 1

edge length (side) =12m
Total surface area = 6×(side)²
=6×12²
=6×144 = 864m³
Length of diagonal=Side × √3
=12×√3
=12×1.73 = 20.76m