Question

can someone help me i have no idea how to do this

Answer 1

Step-by-step explanation:

P=2+7sqrt2+6-2sqrt2+4+5sqrt2=2+6+4+sqrt2(7-2+5)=12+10sqrt2=2(6+5sqrt2)

Answer 2

Answer:

Step-by-step explanation:

You have a right triangle,

, so basically, you add all the sides

2+7$\sqrt{2}$+6-2$\sqrt{2}$+4+5$\sqrt{2}$= 12+10$\sqrt{2}$