Respuesta :

Answer:

[tex]5\sqrt{5} + 6[/tex]

Step-by-step explanation:

Perimeter of a triangle is given by the sum of its three sides.

So the perimeter of this isoceles triangle is;

2([tex]\sqrt{20} + 3[/tex] ) + [tex]\sqrt{5}[/tex]

[tex]\sqrt{x} 2\sqrt{2*2*5} + \sqrt{5} + 6 = 5\sqrt{5} + 6[/tex]