Respuesta :

altavistard

Answer:

The area is 60.75 cm²

Step-by-step explanation:

Let h = 3b (height is 3 times the base)

Since the base is 4.5 cm, the height is 3(4.5 cm) = 13.5 cm.

The area of a parallelogram is A = L·H, which here is:

A = (4.5 cm)(13.5 cm) = 60.75 cm²