Answer:
Step-by-step explanation:
El área del rectángulo se halla a través de la siguiente fórmula: (The area of the rectangle is obtained by the following formula:)
Donde el área y 
se miden en centímetros cuadrados y centímetros, respectivamente. (Where area and are measured in square centimeters and centimeters, respectively)
Ahora, se reemplaza y se encuentra el valor numérico del área: (Now, is substituted and numerical value of area is finally determined:)
![A = [40\,cm - 2\cdot (4\,cm)]\cdot (4\,cm)](https://tex.z-dn.net/?f=A%20%3D%20%5B40%5C%2Ccm%20-%202%5Ccdot%20%284%5C%2Ccm%29%5D%5Ccdot%20%284%5C%2Ccm%29)
I believe the product is 5x. Hope that helps :)
Answer:
A) 0.030
B) 0.026
Step-by-step explanation:
I hope this HELP! :)
