What is the perimeter of parallelogram ABCD?
11 cm
12 cm
18 cm
21 cm
Here is the link of the picture
https://aoa.sooschools.com/media/g_mat06_2016/8/img_triangle_parallelogram_a1.gif

Respuesta :

Answer:

18

Step-by-step explanation:

Its 4, 4, 5, and 5 which equals 18 cm.