The perimeter of a rectangle is twice its width plus twice its height
p = 2w + 2h
p = 2(w + h)
It's fourth option.
The area of a triangle is one-half the product of its base times its height
a = 1/2(bh)
It's second option
The area of a square is the side length multiplied by itself
a = s × s
a = s²
It could be third option or fifth option. The two options are possible to the statement.
