Answer: 160cm^2
We can find the area of the 4 triangles by using the area formula.
After using the formula, the area of each triangle will be =1/2*6*8
=1/2*48
=24
So area of 4 triangles= 24*4
=96
Area of square=l^2
=8^2
=64
Therefore surface area of the pyramid: 96+64
=160
