The diagram below gives the lengths of all but one side of pentagon ABCDE. What is the
perimeter of pentagon ABCDE?
12 cm
Perimeter =
8 cm
4cm-
15 cm
hurry asap i need it by tomorrow!!

The diagram below gives the lengths of all but one side of pentagon ABCDE What is the perimeter of pentagon ABCDE 12 cm Perimeter 8 cm 4cm 15 cm hurry asap i ne class=

Respuesta :

Answer:

44

Step-by-step explanation:

[tex]BC^{2} = (15-12)^{2} + (8-4)^{2}\\BC^{2} =9 + 16\\BC = \sqrt{9+16} \\BC = \sqrt{25} \\BC = 5[/tex]

P  = 12 + 15 + 8 + 4 + 5 = 44