Respuesta :

Rectangle: a = w x l

Square: a = a^2

Triangle: a= b x h divided by 2

Parallelogram: a = HH

Trapezoid: a = a+b
2h


Answer:

rectangle = L*W

square =  s*s

triangle = 1/2 b*h

trapezoid = b+b/2*h

parallelogram = b*h

Step-by-step explanation: