Yes that is one way. You can also prove that a shape is a square by looking at the angles and each side are congruent to each other
Answer:
SA=2lw+2lh+2hw
Step-by-step explanation:
Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.
Karim=4,8km,12km,16km Shawn=3,6km,9km,12km