Question

What is the surface area of the cube? cube with edge length = 3.6 in.

A.26.46 sq in
B.77.76 sq in
C.21.6 sq in
D.12.6 sq in
E.Option 5

Answer 1

TSA of cube = (side)^3 = 3.6 x3.6 x6 = 77.76 sq in

Answer 2

area of cube=6a²
a=3.6
a²= 3.6×3.6=12.96
area of cube=6×12.96=77.76sq in
so the option B is correct



hope it's helps